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Finding the Fourth Proportional to 592,465.55, 817,600.23 and 320,532.57

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Solution

The fourth proportional to 592,465.55, 817,600.23 and 320,532.57 is: 442,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,465.55 : 817,600.23 = 320,532.57 : x
  2. Step 2: Convert to fraction form
    592,465.55/817,600.23 = 320,532.57/x
  3. Step 3: Cross multiply
    592,465.55x = 817,600.23 × 320,532.57
  4. Step 4: Simplify right side
    592,465.55x = 262,067,502,954.49
  5. Step 5: Solve for x
    x = 262,067,502,954.49/592,465.55
  6. Step 6: Final answer
    x = 442,333.74

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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.