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Finding the Fourth Proportional to 896,281.20, 1,255,726.80 and 896,281.20

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Solution

The fourth proportional to 896,281.20, 1,255,726.80 and 896,281.20 is: 1,255,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,281.20 : 1,255,726.80 = 896,281.20 : x
  2. Step 2: Convert to fraction form
    896,281.20/1,255,726.80 = 896,281.20/x
  3. Step 3: Cross multiply
    896,281.20x = 1,255,726.80 × 896,281.20
  4. Step 4: Simplify right side
    896,281.20x = 1,125,484,323,176.16
  5. Step 5: Solve for x
    x = 1,125,484,323,176.16/896,281.20
  6. Step 6: Final answer
    x = 1,255,726.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.