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Finding the Fourth Proportional to 655,348.76, 904,468.26 and 368,925.16

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Solution

The fourth proportional to 655,348.76, 904,468.26 and 368,925.16 is: 509,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,348.76 : 904,468.26 = 368,925.16 : x
  2. Step 2: Convert to fraction form
    655,348.76/904,468.26 = 368,925.16/x
  3. Step 3: Cross multiply
    655,348.76x = 904,468.26 × 368,925.16
  4. Step 4: Simplify right side
    655,348.76x = 333,681,097,535.42
  5. Step 5: Solve for x
    x = 333,681,097,535.42/655,348.76
  6. Step 6: Final answer
    x = 509,165.68

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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.