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Finding the Fourth Proportional to 567,586.08, 783,253.80 and 312,930.72

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Solution

The fourth proportional to 567,586.08, 783,253.80 and 312,930.72 is: 431,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,586.08 : 783,253.80 = 312,930.72 : x
  2. Step 2: Convert to fraction form
    567,586.08/783,253.80 = 312,930.72/x
  3. Step 3: Cross multiply
    567,586.08x = 783,253.80 × 312,930.72
  4. Step 4: Simplify right side
    567,586.08x = 245,104,175,576.74
  5. Step 5: Solve for x
    x = 245,104,175,576.74/567,586.08
  6. Step 6: Final answer
    x = 431,836.13

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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.