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Finding the Fourth Proportional to 291,567.90, 437,351.85 and 104,555.10

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Solution

The fourth proportional to 291,567.90, 437,351.85 and 104,555.10 is: 156,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,567.90 : 437,351.85 = 104,555.10 : x
  2. Step 2: Convert to fraction form
    291,567.90/437,351.85 = 104,555.10/x
  3. Step 3: Cross multiply
    291,567.90x = 437,351.85 × 104,555.10
  4. Step 4: Simplify right side
    291,567.90x = 45,727,366,411.94
  5. Step 5: Solve for x
    x = 45,727,366,411.94/291,567.90
  6. Step 6: Final answer
    x = 156,832.65

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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.