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Finding the Fourth Proportional to 546,744.75, 753,648.58 and 374,364.61

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Solution

The fourth proportional to 546,744.75, 753,648.58 and 374,364.61 is: 516,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,744.75 : 753,648.58 = 374,364.61 : x
  2. Step 2: Convert to fraction form
    546,744.75/753,648.58 = 374,364.61/x
  3. Step 3: Cross multiply
    546,744.75x = 753,648.58 × 374,364.61
  4. Step 4: Simplify right side
    546,744.75x = 282,139,356,728.75
  5. Step 5: Solve for x
    x = 282,139,356,728.75/546,744.75
  6. Step 6: Final answer
    x = 516,034.87

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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.