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Finding the Fourth Proportional to 334,292.87, 461,315.86 and 187,115.67

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Solution

The fourth proportional to 334,292.87, 461,315.86 and 187,115.67 is: 258,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,292.87 : 461,315.86 = 187,115.67 : x
  2. Step 2: Convert to fraction form
    334,292.87/461,315.86 = 187,115.67/x
  3. Step 3: Cross multiply
    334,292.87x = 461,315.86 × 187,115.67
  4. Step 4: Simplify right side
    334,292.87x = 86,319,425,757.74
  5. Step 5: Solve for x
    x = 86,319,425,757.74/334,292.87
  6. Step 6: Final answer
    x = 258,214.98

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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.