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Finding the Fourth Proportional to 360,491.08, 497,515.06 and 207,534.72

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Solution

The fourth proportional to 360,491.08, 497,515.06 and 207,534.72 is: 286,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,491.08 : 497,515.06 = 207,534.72 : x
  2. Step 2: Convert to fraction form
    360,491.08/497,515.06 = 207,534.72/x
  3. Step 3: Cross multiply
    360,491.08x = 497,515.06 × 207,534.72
  4. Step 4: Simplify right side
    360,491.08x = 103,251,648,672.88
  5. Step 5: Solve for x
    x = 103,251,648,672.88/360,491.08
  6. Step 6: Final answer
    x = 286,419.43

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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.