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Finding the Fourth Proportional to 583,605.52, 805,375.38 and 315,333.52

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Solution

The fourth proportional to 583,605.52, 805,375.38 and 315,333.52 is: 435,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,605.52 : 805,375.38 = 315,333.52 : x
  2. Step 2: Convert to fraction form
    583,605.52/805,375.38 = 315,333.52/x
  3. Step 3: Cross multiply
    583,605.52x = 805,375.38 × 315,333.52
  4. Step 4: Simplify right side
    583,605.52x = 253,961,853,496.74
  5. Step 5: Solve for x
    x = 253,961,853,496.74/583,605.52
  6. Step 6: Final answer
    x = 435,160.13

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1.5x scale

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.