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Finding the Fourth Proportional to 531,880.75, 733,995.44 and 340,894.16

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Solution

The fourth proportional to 531,880.75, 733,995.44 and 340,894.16 is: 470,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,880.75 : 733,995.44 = 340,894.16 : x
  2. Step 2: Convert to fraction form
    531,880.75/733,995.44 = 340,894.16/x
  3. Step 3: Cross multiply
    531,880.75x = 733,995.44 × 340,894.16
  4. Step 4: Simplify right side
    531,880.75x = 250,214,758,962.63
  5. Step 5: Solve for x
    x = 250,214,758,962.63/531,880.75
  6. Step 6: Final answer
    x = 470,433.94

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.