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Finding the Fourth Proportional to 592,652.24, 817,860.05 and 320,720.10

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Solution

The fourth proportional to 592,652.24, 817,860.05 and 320,720.10 is: 442,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,652.24 : 817,860.05 = 320,720.10 : x
  2. Step 2: Convert to fraction form
    592,652.24/817,860.05 = 320,720.10/x
  3. Step 3: Cross multiply
    592,652.24x = 817,860.05 × 320,720.10
  4. Step 4: Simplify right side
    592,652.24x = 262,304,155,418.40
  5. Step 5: Solve for x
    x = 262,304,155,418.40/592,652.24
  6. Step 6: Final answer
    x = 442,593.72

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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.