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Finding the Fourth Proportional to 587,750.40, 880,934.40 and 307,123.20

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Solution

The fourth proportional to 587,750.40, 880,934.40 and 307,123.20 is: 460,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,750.40 : 880,934.40 = 307,123.20 : x
  2. Step 2: Convert to fraction form
    587,750.40/880,934.40 = 307,123.20/x
  3. Step 3: Cross multiply
    587,750.40x = 880,934.40 × 307,123.20
  4. Step 4: Simplify right side
    587,750.40x = 270,555,391,918.08
  5. Step 5: Solve for x
    x = 270,555,391,918.08/587,750.40
  6. Step 6: Final answer
    x = 460,323.62

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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.