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Finding the Fourth Proportional to 543,265.76, 749,672.46 and 301,534.22

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Solution

The fourth proportional to 543,265.76, 749,672.46 and 301,534.22 is: 416,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,265.76 : 749,672.46 = 301,534.22 : x
  2. Step 2: Convert to fraction form
    543,265.76/749,672.46 = 301,534.22/x
  3. Step 3: Cross multiply
    543,265.76x = 749,672.46 × 301,534.22
  4. Step 4: Simplify right side
    543,265.76x = 226,051,896,733.22
  5. Step 5: Solve for x
    x = 226,051,896,733.22/543,265.76
  6. Step 6: Final answer
    x = 416,098.19

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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.