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Finding the Fourth Proportional to 922,672.90, 1,384,009.35 and 543,204.10

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Solution

The fourth proportional to 922,672.90, 1,384,009.35 and 543,204.10 is: 814,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,672.90 : 1,384,009.35 = 543,204.10 : x
  2. Step 2: Convert to fraction form
    922,672.90/1,384,009.35 = 543,204.10/x
  3. Step 3: Cross multiply
    922,672.90x = 1,384,009.35 × 543,204.10
  4. Step 4: Simplify right side
    922,672.90x = 751,799,553,358.34
  5. Step 5: Solve for x
    x = 751,799,553,358.34/922,672.90
  6. Step 6: Final answer
    x = 814,806.15

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Similar ratio
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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.