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Finding the Fourth Proportional to 357,970.27, 537,939.56 and 334,563.90

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Solution

The fourth proportional to 357,970.27, 537,939.56 and 334,563.90 is: 502,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,970.27 : 537,939.56 = 334,563.90 : x
  2. Step 2: Convert to fraction form
    357,970.27/537,939.56 = 334,563.90/x
  3. Step 3: Cross multiply
    357,970.27x = 537,939.56 × 334,563.90
  4. Step 4: Simplify right side
    357,970.27x = 179,975,159,002.93
  5. Step 5: Solve for x
    x = 179,975,159,002.93/357,970.27
  6. Step 6: Final answer
    x = 502,765.66

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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.