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Finding the Fourth Proportional to 474,564.59, 654,897.39 and 256,772.60

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Solution

The fourth proportional to 474,564.59, 654,897.39 and 256,772.60 is: 354,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,564.59 : 654,897.39 = 256,772.60 : x
  2. Step 2: Convert to fraction form
    474,564.59/654,897.39 = 256,772.60/x
  3. Step 3: Cross multiply
    474,564.59x = 654,897.39 × 256,772.60
  4. Step 4: Simplify right side
    474,564.59x = 168,159,703,782.00
  5. Step 5: Solve for x
    x = 168,159,703,782.00/474,564.59
  6. Step 6: Final answer
    x = 354,345.24

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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.