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Finding the Fourth Proportional to 607,523.70, 911,285.55 and 556,347.90

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Solution

The fourth proportional to 607,523.70, 911,285.55 and 556,347.90 is: 834,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,523.70 : 911,285.55 = 556,347.90 : x
  2. Step 2: Convert to fraction form
    607,523.70/911,285.55 = 556,347.90/x
  3. Step 3: Cross multiply
    607,523.70x = 911,285.55 × 556,347.90
  4. Step 4: Simplify right side
    607,523.70x = 506,991,802,042.85
  5. Step 5: Solve for x
    x = 506,991,802,042.85/607,523.70
  6. Step 6: Final answer
    x = 834,521.85

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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.