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Finding the Fourth Proportional to 655,256.28, 904,282.76 and 368,794.92

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Solution

The fourth proportional to 655,256.28, 904,282.76 and 368,794.92 is: 508,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,256.28 : 904,282.76 = 368,794.92 : x
  2. Step 2: Convert to fraction form
    655,256.28/904,282.76 = 368,794.92/x
  3. Step 3: Cross multiply
    655,256.28x = 904,282.76 × 368,794.92
  4. Step 4: Simplify right side
    655,256.28x = 333,494,886,287.61
  5. Step 5: Solve for x
    x = 333,494,886,287.61/655,256.28
  6. Step 6: Final answer
    x = 508,953.36

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1.5x scale

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.