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Finding the Fourth Proportional to 583,604.52, 805,374 and 315,332.52

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Solution

The fourth proportional to 583,604.52, 805,374 and 315,332.52 is: 435,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,604.52 : 805,374 = 315,332.52 : x
  2. Step 2: Convert to fraction form
    583,604.52/805,374 = 315,332.52/x
  3. Step 3: Cross multiply
    583,604.52x = 805,374 × 315,332.52
  4. Step 4: Simplify right side
    583,604.52x = 253,960,612,962.48
  5. Step 5: Solve for x
    x = 253,960,612,962.48/583,604.52
  6. Step 6: Final answer
    x = 435,158.75

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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.