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Finding the Fourth Proportional to 537,317.28, 741,482.40 and 292,294.40

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Solution

The fourth proportional to 537,317.28, 741,482.40 and 292,294.40 is: 403,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,317.28 : 741,482.40 = 292,294.40 : x
  2. Step 2: Convert to fraction form
    537,317.28/741,482.40 = 292,294.40/x
  3. Step 3: Cross multiply
    537,317.28x = 741,482.40 × 292,294.40
  4. Step 4: Simplify right side
    537,317.28x = 216,731,153,218.56
  5. Step 5: Solve for x
    x = 216,731,153,218.56/537,317.28
  6. Step 6: Final answer
    x = 403,357.87

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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.