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Finding the Fourth Proportional to 586,696.80, 880,045.20 and 383,743.20

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Solution

The fourth proportional to 586,696.80, 880,045.20 and 383,743.20 is: 575,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,696.80 : 880,045.20 = 383,743.20 : x
  2. Step 2: Convert to fraction form
    586,696.80/880,045.20 = 383,743.20/x
  3. Step 3: Cross multiply
    586,696.80x = 880,045.20 × 383,743.20
  4. Step 4: Simplify right side
    586,696.80x = 337,711,361,192.64
  5. Step 5: Solve for x
    x = 337,711,361,192.64/586,696.80
  6. Step 6: Final answer
    x = 575,614.80

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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.