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Finding the Fourth Proportional to 582,123.12, 873,184.68 and 161,398.98

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Solution

The fourth proportional to 582,123.12, 873,184.68 and 161,398.98 is: 242,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,123.12 : 873,184.68 = 161,398.98 : x
  2. Step 2: Convert to fraction form
    582,123.12/873,184.68 = 161,398.98/x
  3. Step 3: Cross multiply
    582,123.12x = 873,184.68 × 161,398.98
  4. Step 4: Simplify right side
    582,123.12x = 140,931,116,703.63
  5. Step 5: Solve for x
    x = 140,931,116,703.63/582,123.12
  6. Step 6: Final answer
    x = 242,098.47

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Double scale
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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.