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Finding the Fourth Proportional to 576,032.95, 794,970.17 and 317,960.47

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Solution

The fourth proportional to 576,032.95, 794,970.17 and 317,960.47 is: 438,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,032.95 : 794,970.17 = 317,960.47 : x
  2. Step 2: Convert to fraction form
    576,032.95/794,970.17 = 317,960.47/x
  3. Step 3: Cross multiply
    576,032.95x = 794,970.17 × 317,960.47
  4. Step 4: Simplify right side
    576,032.95x = 252,769,088,889.18
  5. Step 5: Solve for x
    x = 252,769,088,889.18/576,032.95
  6. Step 6: Final answer
    x = 438,810.12

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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.