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Finding the Fourth Proportional to 347,334.30, 521,001.45 and 207,366.30

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Solution

The fourth proportional to 347,334.30, 521,001.45 and 207,366.30 is: 311,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,334.30 : 521,001.45 = 207,366.30 : x
  2. Step 2: Convert to fraction form
    347,334.30/521,001.45 = 207,366.30/x
  3. Step 3: Cross multiply
    347,334.30x = 521,001.45 × 207,366.30
  4. Step 4: Simplify right side
    347,334.30x = 108,038,142,981.14
  5. Step 5: Solve for x
    x = 108,038,142,981.14/347,334.30
  6. Step 6: Final answer
    x = 311,049.45

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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.