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Finding the Fourth Proportional to 928,575.29, 1,392,161.04 and 608,807.61

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Solution

The fourth proportional to 928,575.29, 1,392,161.04 and 608,807.61 is: 912,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,575.29 : 1,392,161.04 = 608,807.61 : x
  2. Step 2: Convert to fraction form
    928,575.29/1,392,161.04 = 608,807.61/x
  3. Step 3: Cross multiply
    928,575.29x = 1,392,161.04 × 608,807.61
  4. Step 4: Simplify right side
    928,575.29x = 847,558,235,497.51
  5. Step 5: Solve for x
    x = 847,558,235,497.51/928,575.29
  6. Step 6: Final answer
    x = 912,751.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.