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Finding the Fourth Proportional to 566,888.72, 782,306.38 and 312,239.91

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Solution

The fourth proportional to 566,888.72, 782,306.38 and 312,239.91 is: 430,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,888.72 : 782,306.38 = 312,239.91 : x
  2. Step 2: Convert to fraction form
    566,888.72/782,306.38 = 312,239.91/x
  3. Step 3: Cross multiply
    566,888.72x = 782,306.38 × 312,239.91
  4. Step 4: Simplify right side
    566,888.72x = 244,267,273,683.63
  5. Step 5: Solve for x
    x = 244,267,273,683.63/566,888.72
  6. Step 6: Final answer
    x = 430,891.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.