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Finding the Fourth Proportional to 567,266.10, 782,827.23 and 312,617.28

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Solution

The fourth proportional to 567,266.10, 782,827.23 and 312,617.28 is: 431,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,266.10 : 782,827.23 = 312,617.28 : x
  2. Step 2: Convert to fraction form
    567,266.10/782,827.23 = 312,617.28/x
  3. Step 3: Cross multiply
    567,266.10x = 782,827.23 × 312,617.28
  4. Step 4: Simplify right side
    567,266.10x = 244,725,319,352.53
  5. Step 5: Solve for x
    x = 244,725,319,352.53/567,266.10
  6. Step 6: Final answer
    x = 431,411.85

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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.