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Finding the Fourth Proportional to 366,665.60, 549,998.40 and 283,721.60

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Solution

The fourth proportional to 366,665.60, 549,998.40 and 283,721.60 is: 425,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,665.60 : 549,998.40 = 283,721.60 : x
  2. Step 2: Convert to fraction form
    366,665.60/549,998.40 = 283,721.60/x
  3. Step 3: Cross multiply
    366,665.60x = 549,998.40 × 283,721.60
  4. Step 4: Simplify right side
    366,665.60x = 156,046,426,045.44
  5. Step 5: Solve for x
    x = 156,046,426,045.44/366,665.60
  6. Step 6: Final answer
    x = 425,582.40

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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.