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Finding the Fourth Proportional to 488,483.40, 732,725.10 and 222,762.90

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Solution

The fourth proportional to 488,483.40, 732,725.10 and 222,762.90 is: 334,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,483.40 : 732,725.10 = 222,762.90 : x
  2. Step 2: Convert to fraction form
    488,483.40/732,725.10 = 222,762.90/x
  3. Step 3: Cross multiply
    488,483.40x = 732,725.10 × 222,762.90
  4. Step 4: Simplify right side
    488,483.40x = 163,223,968,178.79
  5. Step 5: Solve for x
    x = 163,223,968,178.79/488,483.40
  6. Step 6: Final answer
    x = 334,144.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.