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Finding the Fourth Proportional to 553,081.58, 829,778.19 and 500,380.35

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Solution

The fourth proportional to 553,081.58, 829,778.19 and 500,380.35 is: 750,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,081.58 : 829,778.19 = 500,380.35 : x
  2. Step 2: Convert to fraction form
    553,081.58/829,778.19 = 500,380.35/x
  3. Step 3: Cross multiply
    553,081.58x = 829,778.19 × 500,380.35
  4. Step 4: Simplify right side
    553,081.58x = 415,204,701,134.57
  5. Step 5: Solve for x
    x = 415,204,701,134.57/553,081.58
  6. Step 6: Final answer
    x = 750,711.50

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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.