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Finding the Fourth Proportional to 573,060.93, 790,808.45 and 318,405.57

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Solution

The fourth proportional to 573,060.93, 790,808.45 and 318,405.57 is: 439,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,060.93 : 790,808.45 = 318,405.57 : x
  2. Step 2: Convert to fraction form
    573,060.93/790,808.45 = 318,405.57/x
  3. Step 3: Cross multiply
    573,060.93x = 790,808.45 × 318,405.57
  4. Step 4: Simplify right side
    573,060.93x = 251,797,813,691.04
  5. Step 5: Solve for x
    x = 251,797,813,691.04/573,060.93
  6. Step 6: Final answer
    x = 439,391.00

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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.