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Finding the Fourth Proportional to 888,854.16, 1,226,609.55 and 480,947.01

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Solution

The fourth proportional to 888,854.16, 1,226,609.55 and 480,947.01 is: 663,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,854.16 : 1,226,609.55 = 480,947.01 : x
  2. Step 2: Convert to fraction form
    888,854.16/1,226,609.55 = 480,947.01/x
  3. Step 3: Cross multiply
    888,854.16x = 1,226,609.55 × 480,947.01
  4. Step 4: Simplify right side
    888,854.16x = 589,934,195,509.95
  5. Step 5: Solve for x
    x = 589,934,195,509.95/888,854.16
  6. Step 6: Final answer
    x = 663,701.90

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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.