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Finding the Fourth Proportional to 681,545.24, 939,980.29 and 599,696.76

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Solution

The fourth proportional to 681,545.24, 939,980.29 and 599,696.76 is: 827,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,545.24 : 939,980.29 = 599,696.76 : x
  2. Step 2: Convert to fraction form
    681,545.24/939,980.29 = 599,696.76/x
  3. Step 3: Cross multiply
    681,545.24x = 939,980.29 × 599,696.76
  4. Step 4: Simplify right side
    681,545.24x = 563,703,134,376.86
  5. Step 5: Solve for x
    x = 563,703,134,376.86/681,545.24
  6. Step 6: Final answer
    x = 827,095.70

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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.