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Finding the Fourth Proportional to 905,573.92, 1,249,698 and 566,240.80

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Solution

The fourth proportional to 905,573.92, 1,249,698 and 566,240.80 is: 781,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,573.92 : 1,249,698 = 566,240.80 : x
  2. Step 2: Convert to fraction form
    905,573.92/1,249,698 = 566,240.80/x
  3. Step 3: Cross multiply
    905,573.92x = 1,249,698 × 566,240.80
  4. Step 4: Simplify right side
    905,573.92x = 707,629,995,278.40
  5. Step 5: Solve for x
    x = 707,629,995,278.40/905,573.92
  6. Step 6: Final answer
    x = 781,416.05

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Double scale
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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.