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Finding the Fourth Proportional to 913,750, 1,260,800.04 and 591,415.36

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Solution

The fourth proportional to 913,750, 1,260,800.04 and 591,415.36 is: 816,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,750 : 1,260,800.04 = 591,415.36 : x
  2. Step 2: Convert to fraction form
    913,750/1,260,800.04 = 591,415.36/x
  3. Step 3: Cross multiply
    913,750x = 1,260,800.04 × 591,415.36
  4. Step 4: Simplify right side
    913,750x = 745,656,509,544.61
  5. Step 5: Solve for x
    x = 745,656,509,544.61/913,750
  6. Step 6: Final answer
    x = 816,039.96

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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.