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Finding the Fourth Proportional to 580,915.05, 870,630.33 and 468,648.21

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Solution

The fourth proportional to 580,915.05, 870,630.33 and 468,648.21 is: 702,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,915.05 : 870,630.33 = 468,648.21 : x
  2. Step 2: Convert to fraction form
    580,915.05/870,630.33 = 468,648.21/x
  3. Step 3: Cross multiply
    580,915.05x = 870,630.33 × 468,648.21
  4. Step 4: Simplify right side
    580,915.05x = 408,019,345,726.21
  5. Step 5: Solve for x
    x = 408,019,345,726.21/580,915.05
  6. Step 6: Final answer
    x = 702,373.52

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1.5x scale

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.