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Finding the Fourth Proportional to 676,510.92, 933,552.14 and 370,589.12

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Solution

The fourth proportional to 676,510.92, 933,552.14 and 370,589.12 is: 511,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,510.92 : 933,552.14 = 370,589.12 : x
  2. Step 2: Convert to fraction form
    676,510.92/933,552.14 = 370,589.12/x
  3. Step 3: Cross multiply
    676,510.92x = 933,552.14 × 370,589.12
  4. Step 4: Simplify right side
    676,510.92x = 345,964,266,036.72
  5. Step 5: Solve for x
    x = 345,964,266,036.72/676,510.92
  6. Step 6: Final answer
    x = 511,394.95

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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.