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Finding the Fourth Proportional to 472,290.15, 651,760.59 and 268,341.33

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Solution

The fourth proportional to 472,290.15, 651,760.59 and 268,341.33 is: 370,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,290.15 : 651,760.59 = 268,341.33 : x
  2. Step 2: Convert to fraction form
    472,290.15/651,760.59 = 268,341.33/x
  3. Step 3: Cross multiply
    472,290.15x = 651,760.59 × 268,341.33
  4. Step 4: Simplify right side
    472,290.15x = 174,894,303,562.19
  5. Step 5: Solve for x
    x = 174,894,303,562.19/472,290.15
  6. Step 6: Final answer
    x = 370,311.14

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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.