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Finding the Fourth Proportional to 592,611.18, 817,805.58 and 320,679.06

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Solution

The fourth proportional to 592,611.18, 817,805.58 and 320,679.06 is: 442,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,611.18 : 817,805.58 = 320,679.06 : x
  2. Step 2: Convert to fraction form
    592,611.18/817,805.58 = 320,679.06/x
  3. Step 3: Cross multiply
    592,611.18x = 817,805.58 × 320,679.06
  4. Step 4: Simplify right side
    592,611.18x = 262,253,124,657.16
  5. Step 5: Solve for x
    x = 262,253,124,657.16/592,611.18
  6. Step 6: Final answer
    x = 442,538.27

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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.