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Finding the Fourth Proportional to 357,376.64, 535,983.08 and 213,323.13

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Solution

The fourth proportional to 357,376.64, 535,983.08 and 213,323.13 is: 319,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,376.64 : 535,983.08 = 213,323.13 : x
  2. Step 2: Convert to fraction form
    357,376.64/535,983.08 = 213,323.13/x
  3. Step 3: Cross multiply
    357,376.64x = 535,983.08 × 213,323.13
  4. Step 4: Simplify right side
    357,376.64x = 114,337,587,186.03
  5. Step 5: Solve for x
    x = 114,337,587,186.03/357,376.64
  6. Step 6: Final answer
    x = 319,935.82

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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.