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Finding the Fourth Proportional to 297,587.39, 446,384.79 and 87,229.58

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Solution

The fourth proportional to 297,587.39, 446,384.79 and 87,229.58 is: 130,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,587.39 : 446,384.79 = 87,229.58 : x
  2. Step 2: Convert to fraction form
    297,587.39/446,384.79 = 87,229.58/x
  3. Step 3: Cross multiply
    297,587.39x = 446,384.79 × 87,229.58
  4. Step 4: Simplify right side
    297,587.39x = 38,937,955,518.16
  5. Step 5: Solve for x
    x = 38,937,955,518.16/297,587.39
  6. Step 6: Final answer
    x = 130,845.45

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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.