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Finding the Fourth Proportional to 592,307.16, 817,383.96 and 320,375.13

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Solution

The fourth proportional to 592,307.16, 817,383.96 and 320,375.13 is: 442,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,307.16 : 817,383.96 = 320,375.13 : x
  2. Step 2: Convert to fraction form
    592,307.16/817,383.96 = 320,375.13/x
  3. Step 3: Cross multiply
    592,307.16x = 817,383.96 × 320,375.13
  4. Step 4: Simplify right side
    592,307.16x = 261,869,492,444.92
  5. Step 5: Solve for x
    x = 261,869,492,444.92/592,307.16
  6. Step 6: Final answer
    x = 442,117.72

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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.