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Finding the Fourth Proportional to 649,283.46, 895,995.53 and 354,920.10

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Solution

The fourth proportional to 649,283.46, 895,995.53 and 354,920.10 is: 489,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,283.46 : 895,995.53 = 354,920.10 : x
  2. Step 2: Convert to fraction form
    649,283.46/895,995.53 = 354,920.10/x
  3. Step 3: Cross multiply
    649,283.46x = 895,995.53 × 354,920.10
  4. Step 4: Simplify right side
    649,283.46x = 318,006,819,303.52
  5. Step 5: Solve for x
    x = 318,006,819,303.52/649,283.46
  6. Step 6: Final answer
    x = 489,781.18

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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.