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Finding the Fourth Proportional to 515,068.46, 772,713.39 and 173,545.83

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Solution

The fourth proportional to 515,068.46, 772,713.39 and 173,545.83 is: 260,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,068.46 : 772,713.39 = 173,545.83 : x
  2. Step 2: Convert to fraction form
    515,068.46/772,713.39 = 173,545.83/x
  3. Step 3: Cross multiply
    515,068.46x = 772,713.39 × 173,545.83
  4. Step 4: Simplify right side
    515,068.46x = 134,101,186,619.66
  5. Step 5: Solve for x
    x = 134,101,186,619.66/515,068.46
  6. Step 6: Final answer
    x = 260,356.05

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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.