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Finding the Fourth Proportional to 615,950.70, 924,423.59 and 261,213.63

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Solution

The fourth proportional to 615,950.70, 924,423.59 and 261,213.63 is: 392,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,950.70 : 924,423.59 = 261,213.63 : x
  2. Step 2: Convert to fraction form
    615,950.70/924,423.59 = 261,213.63/x
  3. Step 3: Cross multiply
    615,950.70x = 924,423.59 × 261,213.63
  4. Step 4: Simplify right side
    615,950.70x = 241,472,041,601.53
  5. Step 5: Solve for x
    x = 241,472,041,601.53/615,950.70
  6. Step 6: Final answer
    x = 392,031.44

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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.