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Finding the Fourth Proportional to 592,402.93, 817,513.56 and 320,470.15

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Solution

The fourth proportional to 592,402.93, 817,513.56 and 320,470.15 is: 442,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,402.93 : 817,513.56 = 320,470.15 : x
  2. Step 2: Convert to fraction form
    592,402.93/817,513.56 = 320,470.15/x
  3. Step 3: Cross multiply
    592,402.93x = 817,513.56 × 320,470.15
  4. Step 4: Simplify right side
    592,402.93x = 261,988,691,597.88
  5. Step 5: Solve for x
    x = 261,988,691,597.88/592,402.93
  6. Step 6: Final answer
    x = 442,247.46

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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.