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Finding the Fourth Proportional to 360,437.71, 540,688.86 and 104,266.26

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Solution

The fourth proportional to 360,437.71, 540,688.86 and 104,266.26 is: 156,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,437.71 : 540,688.86 = 104,266.26 : x
  2. Step 2: Convert to fraction form
    360,437.71/540,688.86 = 104,266.26/x
  3. Step 3: Cross multiply
    360,437.71x = 540,688.86 × 104,266.26
  4. Step 4: Simplify right side
    360,437.71x = 56,375,603,032.78
  5. Step 5: Solve for x
    x = 56,375,603,032.78/360,437.71
  6. Step 6: Final answer
    x = 156,408.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.