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Finding the Fourth Proportional to 676,894.30, 934,112.19 and 375,088.30

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Solution

The fourth proportional to 676,894.30, 934,112.19 and 375,088.30 is: 517,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,894.30 : 934,112.19 = 375,088.30 : x
  2. Step 2: Convert to fraction form
    676,894.30/934,112.19 = 375,088.30/x
  3. Step 3: Cross multiply
    676,894.30x = 934,112.19 × 375,088.30
  4. Step 4: Simplify right side
    676,894.30x = 350,374,553,356.38
  5. Step 5: Solve for x
    x = 350,374,553,356.38/676,894.30
  6. Step 6: Final answer
    x = 517,620.78

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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.