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Finding the Fourth Proportional to 602,497.88, 903,437.94 and 318,341.24

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Solution

The fourth proportional to 602,497.88, 903,437.94 and 318,341.24 is: 477,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,497.88 : 903,437.94 = 318,341.24 : x
  2. Step 2: Convert to fraction form
    602,497.88/903,437.94 = 318,341.24/x
  3. Step 3: Cross multiply
    602,497.88x = 903,437.94 × 318,341.24
  4. Step 4: Simplify right side
    602,497.88x = 287,601,554,082.65
  5. Step 5: Solve for x
    x = 287,601,554,082.65/602,497.88
  6. Step 6: Final answer
    x = 477,348.66

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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.