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Finding the Fourth Proportional to 502,081.74, 753,123.15 and 352,988.82

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Solution

The fourth proportional to 502,081.74, 753,123.15 and 352,988.82 is: 529,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,081.74 : 753,123.15 = 352,988.82 : x
  2. Step 2: Convert to fraction form
    502,081.74/753,123.15 = 352,988.82/x
  3. Step 3: Cross multiply
    502,081.74x = 753,123.15 × 352,988.82
  4. Step 4: Simplify right side
    502,081.74x = 265,844,052,033.18
  5. Step 5: Solve for x
    x = 265,844,052,033.18/502,081.74
  6. Step 6: Final answer
    x = 529,483.61

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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.