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Finding the Fourth Proportional to 488,423.60, 732,635.40 and 222,703.10

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Solution

The fourth proportional to 488,423.60, 732,635.40 and 222,703.10 is: 334,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,423.60 : 732,635.40 = 222,703.10 : x
  2. Step 2: Convert to fraction form
    488,423.60/732,635.40 = 222,703.10/x
  3. Step 3: Cross multiply
    488,423.60x = 732,635.40 × 222,703.10
  4. Step 4: Simplify right side
    488,423.60x = 163,160,174,749.74
  5. Step 5: Solve for x
    x = 163,160,174,749.74/488,423.60
  6. Step 6: Final answer
    x = 334,054.65

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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.