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Finding the Fourth Proportional to 477,363.80, 715,992.23 and 122,386.16

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Solution

The fourth proportional to 477,363.80, 715,992.23 and 122,386.16 is: 183,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,363.80 : 715,992.23 = 122,386.16 : x
  2. Step 2: Convert to fraction form
    477,363.80/715,992.23 = 122,386.16/x
  3. Step 3: Cross multiply
    477,363.80x = 715,992.23 × 122,386.16
  4. Step 4: Simplify right side
    477,363.80x = 87,627,535,427.64
  5. Step 5: Solve for x
    x = 87,627,535,427.64/477,363.80
  6. Step 6: Final answer
    x = 183,565.52

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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.