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Finding the Fourth Proportional to 372,714.90, 514,332.52 and 227,763.06

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Solution

The fourth proportional to 372,714.90, 514,332.52 and 227,763.06 is: 314,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,714.90 : 514,332.52 = 227,763.06 : x
  2. Step 2: Convert to fraction form
    372,714.90/514,332.52 = 227,763.06/x
  3. Step 3: Cross multiply
    372,714.90x = 514,332.52 × 227,763.06
  4. Step 4: Simplify right side
    372,714.90x = 117,145,946,041.05
  5. Step 5: Solve for x
    x = 117,145,946,041.05/372,714.90
  6. Step 6: Final answer
    x = 314,304.44

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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.