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Finding the Fourth Proportional to 750,323.28, 1,035,449.28 and 410,823.12

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Solution

The fourth proportional to 750,323.28, 1,035,449.28 and 410,823.12 is: 566,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,323.28 : 1,035,449.28 = 410,823.12 : x
  2. Step 2: Convert to fraction form
    750,323.28/1,035,449.28 = 410,823.12/x
  3. Step 3: Cross multiply
    750,323.28x = 1,035,449.28 × 410,823.12
  4. Step 4: Simplify right side
    750,323.28x = 425,386,503,811.35
  5. Step 5: Solve for x
    x = 425,386,503,811.35/750,323.28
  6. Step 6: Final answer
    x = 566,937.63

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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.