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Finding the Fourth Proportional to 265,470.99, 366,347.12 and 152,311.47

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Solution

The fourth proportional to 265,470.99, 366,347.12 and 152,311.47 is: 210,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,470.99 : 366,347.12 = 152,311.47 : x
  2. Step 2: Convert to fraction form
    265,470.99/366,347.12 = 152,311.47/x
  3. Step 3: Cross multiply
    265,470.99x = 366,347.12 × 152,311.47
  4. Step 4: Simplify right side
    265,470.99x = 55,798,867,615.91
  5. Step 5: Solve for x
    x = 55,798,867,615.91/265,470.99
  6. Step 6: Final answer
    x = 210,188.19

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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.