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Finding the Fourth Proportional to 461,928.60, 693,200.10 and 262,248.60

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Solution

The fourth proportional to 461,928.60, 693,200.10 and 262,248.60 is: 393,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,928.60 : 693,200.10 = 262,248.60 : x
  2. Step 2: Convert to fraction form
    461,928.60/693,200.10 = 262,248.60/x
  3. Step 3: Cross multiply
    461,928.60x = 693,200.10 × 262,248.60
  4. Step 4: Simplify right side
    461,928.60x = 181,790,755,744.86
  5. Step 5: Solve for x
    x = 181,790,755,744.86/461,928.60
  6. Step 6: Final answer
    x = 393,547.31

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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.