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Finding the Fourth Proportional to 424,996.72, 634,385.60 and 374,552.88

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Solution

The fourth proportional to 424,996.72, 634,385.60 and 374,552.88 is: 559,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,996.72 : 634,385.60 = 374,552.88 : x
  2. Step 2: Convert to fraction form
    424,996.72/634,385.60 = 374,552.88/x
  3. Step 3: Cross multiply
    424,996.72x = 634,385.60 × 374,552.88
  4. Step 4: Simplify right side
    424,996.72x = 237,610,953,510.53
  5. Step 5: Solve for x
    x = 237,610,953,510.53/424,996.72
  6. Step 6: Final answer
    x = 559,088.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.