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Finding the Fourth Proportional to 655,253.92, 904,529.38 and 440,518.50

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Solution

The fourth proportional to 655,253.92, 904,529.38 and 440,518.50 is: 608,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,253.92 : 904,529.38 = 440,518.50 : x
  2. Step 2: Convert to fraction form
    655,253.92/904,529.38 = 440,518.50/x
  3. Step 3: Cross multiply
    655,253.92x = 904,529.38 × 440,518.50
  4. Step 4: Simplify right side
    655,253.92x = 398,461,925,683.53
  5. Step 5: Solve for x
    x = 398,461,925,683.53/655,253.92
  6. Step 6: Final answer
    x = 608,103.08

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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.