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Finding the Fourth Proportional to 367,005.35, 550,508.03 and 260,717.15

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Solution

The fourth proportional to 367,005.35, 550,508.03 and 260,717.15 is: 391,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,005.35 : 550,508.03 = 260,717.15 : x
  2. Step 2: Convert to fraction form
    367,005.35/550,508.03 = 260,717.15/x
  3. Step 3: Cross multiply
    367,005.35x = 550,508.03 × 260,717.15
  4. Step 4: Simplify right side
    367,005.35x = 143,526,884,633.72
  5. Step 5: Solve for x
    x = 143,526,884,633.72/367,005.35
  6. Step 6: Final answer
    x = 391,075.73

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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.