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Finding the Fourth Proportional to 566,833.32, 782,265.36 and 312,184.44

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Solution

The fourth proportional to 566,833.32, 782,265.36 and 312,184.44 is: 430,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,833.32 : 782,265.36 = 312,184.44 : x
  2. Step 2: Convert to fraction form
    566,833.32/782,265.36 = 312,184.44/x
  3. Step 3: Cross multiply
    566,833.32x = 782,265.36 × 312,184.44
  4. Step 4: Simplify right side
    566,833.32x = 244,211,073,343.00
  5. Step 5: Solve for x
    x = 244,211,073,343.00/566,833.32
  6. Step 6: Final answer
    x = 430,834.01

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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.