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Finding the Fourth Proportional to 655,377.92, 904,700.26 and 440,642.52

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Solution

The fourth proportional to 655,377.92, 904,700.26 and 440,642.52 is: 608,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,377.92 : 904,700.26 = 440,642.52 : x
  2. Step 2: Convert to fraction form
    655,377.92/904,700.26 = 440,642.52/x
  3. Step 3: Cross multiply
    655,377.92x = 904,700.26 × 440,642.52
  4. Step 4: Simplify right side
    655,377.92x = 398,649,402,411.06
  5. Step 5: Solve for x
    x = 398,649,402,411.06/655,377.92
  6. Step 6: Final answer
    x = 608,274.08

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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.