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Finding the Fourth Proportional to 477,002.30, 715,503.45 and 344,810.30

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Solution

The fourth proportional to 477,002.30, 715,503.45 and 344,810.30 is: 517,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,002.30 : 715,503.45 = 344,810.30 : x
  2. Step 2: Convert to fraction form
    477,002.30/715,503.45 = 344,810.30/x
  3. Step 3: Cross multiply
    477,002.30x = 715,503.45 × 344,810.30
  4. Step 4: Simplify right side
    477,002.30x = 246,712,959,245.54
  5. Step 5: Solve for x
    x = 246,712,959,245.54/477,002.30
  6. Step 6: Final answer
    x = 517,215.45

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Similar ratio
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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.