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Finding the Fourth Proportional to 592,425.52, 817,543.80 and 320,492.59

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Solution

The fourth proportional to 592,425.52, 817,543.80 and 320,492.59 is: 442,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,425.52 : 817,543.80 = 320,492.59 : x
  2. Step 2: Convert to fraction form
    592,425.52/817,543.80 = 320,492.59/x
  3. Step 3: Cross multiply
    592,425.52x = 817,543.80 × 320,492.59
  4. Step 4: Simplify right side
    592,425.52x = 262,016,727,856.58
  5. Step 5: Solve for x
    x = 262,016,727,856.58/592,425.52
  6. Step 6: Final answer
    x = 442,277.92

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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.