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Finding the Fourth Proportional to 350,640,715.70, 525,961,073.55 and 159,164,491.70

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Solution

The fourth proportional to 350,640,715.70, 525,961,073.55 and 159,164,491.70 is: 238,746,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,640,715.70 : 525,961,073.55 = 159,164,491.70 : x
  2. Step 2: Convert to fraction form
    350,640,715.70/525,961,073.55 = 159,164,491.70/x
  3. Step 3: Cross multiply
    350,640,715.70x = 525,961,073.55 × 159,164,491.70
  4. Step 4: Simplify right side
    350,640,715.70x = 83,714,326,925,572,064
  5. Step 5: Solve for x
    x = 83,714,326,925,572,064/350,640,715.70
  6. Step 6: Final answer
    x = 238,746,737.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.