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Finding the Fourth Proportional to 655,253.46, 904,278.87 and 368,792.10

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Solution

The fourth proportional to 655,253.46, 904,278.87 and 368,792.10 is: 508,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,253.46 : 904,278.87 = 368,792.10 : x
  2. Step 2: Convert to fraction form
    655,253.46/904,278.87 = 368,792.10/x
  3. Step 3: Cross multiply
    655,253.46x = 904,278.87 × 368,792.10
  4. Step 4: Simplify right side
    655,253.46x = 333,490,903,452.93
  5. Step 5: Solve for x
    x = 333,490,903,452.93/655,253.46
  6. Step 6: Final answer
    x = 508,949.47

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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.