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Finding the Fourth Proportional to 558,701.70, 838,052.55 and 334,752.90

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Solution

The fourth proportional to 558,701.70, 838,052.55 and 334,752.90 is: 502,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,701.70 : 838,052.55 = 334,752.90 : x
  2. Step 2: Convert to fraction form
    558,701.70/838,052.55 = 334,752.90/x
  3. Step 3: Cross multiply
    558,701.70x = 838,052.55 × 334,752.90
  4. Step 4: Simplify right side
    558,701.70x = 280,540,521,464.90
  5. Step 5: Solve for x
    x = 280,540,521,464.90/558,701.70
  6. Step 6: Final answer
    x = 502,129.35

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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.