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Finding the Fourth Proportional to 608,555.70, 912,833.55 and 187,830.90

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Solution

The fourth proportional to 608,555.70, 912,833.55 and 187,830.90 is: 281,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,555.70 : 912,833.55 = 187,830.90 : x
  2. Step 2: Convert to fraction form
    608,555.70/912,833.55 = 187,830.90/x
  3. Step 3: Cross multiply
    608,555.70x = 912,833.55 × 187,830.90
  4. Step 4: Simplify right side
    608,555.70x = 171,458,347,246.70
  5. Step 5: Solve for x
    x = 171,458,347,246.70/608,555.70
  6. Step 6: Final answer
    x = 281,746.35

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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.