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Finding the Fourth Proportional to 693,920.18, 957,874.12 and 452,261.54

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Solution

The fourth proportional to 693,920.18, 957,874.12 and 452,261.54 is: 624,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,920.18 : 957,874.12 = 452,261.54 : x
  2. Step 2: Convert to fraction form
    693,920.18/957,874.12 = 452,261.54/x
  3. Step 3: Cross multiply
    693,920.18x = 957,874.12 × 452,261.54
  4. Step 4: Simplify right side
    693,920.18x = 433,209,625,901.38
  5. Step 5: Solve for x
    x = 433,209,625,901.38/693,920.18
  6. Step 6: Final answer
    x = 624,293.16

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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.