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Finding the Fourth Proportional to 880,593.44, 1,215,223.44 and 478,185.44

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Solution

The fourth proportional to 880,593.44, 1,215,223.44 and 478,185.44 is: 659,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,593.44 : 1,215,223.44 = 478,185.44 : x
  2. Step 2: Convert to fraction form
    880,593.44/1,215,223.44 = 478,185.44/x
  3. Step 3: Cross multiply
    880,593.44x = 1,215,223.44 × 478,185.44
  4. Step 4: Simplify right side
    880,593.44x = 581,102,155,354.71
  5. Step 5: Solve for x
    x = 581,102,155,354.71/880,593.44
  6. Step 6: Final answer
    x = 659,898.35

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Double scale
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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.