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Finding the Fourth Proportional to 356,031.08, 534,230.70 and 156,491.56

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Solution

The fourth proportional to 356,031.08, 534,230.70 and 156,491.56 is: 234,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,031.08 : 534,230.70 = 156,491.56 : x
  2. Step 2: Convert to fraction form
    356,031.08/534,230.70 = 156,491.56/x
  3. Step 3: Cross multiply
    356,031.08x = 534,230.70 × 156,491.56
  4. Step 4: Simplify right side
    356,031.08x = 83,602,595,642.89
  5. Step 5: Solve for x
    x = 83,602,595,642.89/356,031.08
  6. Step 6: Final answer
    x = 234,818.25

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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.