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Finding the Fourth Proportional to 491,740.16, 677,276.16 and 424,555.52

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Solution

The fourth proportional to 491,740.16, 677,276.16 and 424,555.52 is: 584,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,740.16 : 677,276.16 = 424,555.52 : x
  2. Step 2: Convert to fraction form
    491,740.16/677,276.16 = 424,555.52/x
  3. Step 3: Cross multiply
    491,740.16x = 677,276.16 × 424,555.52
  4. Step 4: Simplify right side
    491,740.16x = 287,541,332,292.40
  5. Step 5: Solve for x
    x = 287,541,332,292.40/491,740.16
  6. Step 6: Final answer
    x = 584,742.42

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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.