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Finding the Fourth Proportional to 655,259.48, 904,287.16 and 368,798.12

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Solution

The fourth proportional to 655,259.48, 904,287.16 and 368,798.12 is: 508,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,259.48 : 904,287.16 = 368,798.12 : x
  2. Step 2: Convert to fraction form
    655,259.48/904,287.16 = 368,798.12/x
  3. Step 3: Cross multiply
    655,259.48x = 904,287.16 × 368,798.12
  4. Step 4: Simplify right side
    655,259.48x = 333,499,404,548.14
  5. Step 5: Solve for x
    x = 333,499,404,548.14/655,259.48
  6. Step 6: Final answer
    x = 508,957.77

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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.