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Finding the Fourth Proportional to 655,263.52, 904,292.64 and 368,802.08

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Solution

The fourth proportional to 655,263.52, 904,292.64 and 368,802.08 is: 508,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,263.52 : 904,292.64 = 368,802.08 : x
  2. Step 2: Convert to fraction form
    655,263.52/904,292.64 = 368,802.08/x
  3. Step 3: Cross multiply
    655,263.52x = 904,292.64 × 368,802.08
  4. Step 4: Simplify right side
    655,263.52x = 333,505,006,560.69
  5. Step 5: Solve for x
    x = 333,505,006,560.69/655,263.52
  6. Step 6: Final answer
    x = 508,963.18

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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.