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Finding the Fourth Proportional to 372,521.52, 514,090.83 and 229,364.16

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Solution

The fourth proportional to 372,521.52, 514,090.83 and 229,364.16 is: 316,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,521.52 : 514,090.83 = 229,364.16 : x
  2. Step 2: Convert to fraction form
    372,521.52/514,090.83 = 229,364.16/x
  3. Step 3: Cross multiply
    372,521.52x = 514,090.83 × 229,364.16
  4. Step 4: Simplify right side
    372,521.52x = 117,914,011,386.65
  5. Step 5: Solve for x
    x = 117,914,011,386.65/372,521.52
  6. Step 6: Final answer
    x = 316,529.40

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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.