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Finding the Fourth Proportional to 468,510.74, 646,545.09 and 253,650.86

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Solution

The fourth proportional to 468,510.74, 646,545.09 and 253,650.86 is: 350,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,510.74 : 646,545.09 = 253,650.86 : x
  2. Step 2: Convert to fraction form
    468,510.74/646,545.09 = 253,650.86/x
  3. Step 3: Cross multiply
    468,510.74x = 646,545.09 × 253,650.86
  4. Step 4: Simplify right side
    468,510.74x = 163,996,718,107.28
  5. Step 5: Solve for x
    x = 163,996,718,107.28/468,510.74
  6. Step 6: Final answer
    x = 350,038.33

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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.