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Finding the Fourth Proportional to 636,368.70, 954,531.45 and 163,058.70

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Solution

The fourth proportional to 636,368.70, 954,531.45 and 163,058.70 is: 244,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,368.70 : 954,531.45 = 163,058.70 : x
  2. Step 2: Convert to fraction form
    636,368.70/954,531.45 = 163,058.70/x
  3. Step 3: Cross multiply
    636,368.70x = 954,531.45 × 163,058.70
  4. Step 4: Simplify right side
    636,368.70x = 155,644,657,346.12
  5. Step 5: Solve for x
    x = 155,644,657,346.12/636,368.70
  6. Step 6: Final answer
    x = 244,582.52

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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.