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Finding the Fourth Proportional to 874,901.22, 1,207,363.41 and 472,493.22

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Solution

The fourth proportional to 874,901.22, 1,207,363.41 and 472,493.22 is: 652,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,901.22 : 1,207,363.41 = 472,493.22 : x
  2. Step 2: Convert to fraction form
    874,901.22/1,207,363.41 = 472,493.22/x
  3. Step 3: Cross multiply
    874,901.22x = 1,207,363.41 × 472,493.22
  4. Step 4: Simplify right side
    874,901.22x = 570,471,025,301.08
  5. Step 5: Solve for x
    x = 570,471,025,301.08/874,901.22
  6. Step 6: Final answer
    x = 652,040.50

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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.