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Finding the Fourth Proportional to 573,760.80, 858,672.90 and 526,521.60

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Solution

The fourth proportional to 573,760.80, 858,672.90 and 526,521.60 is: 787,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,760.80 : 858,672.90 = 526,521.60 : x
  2. Step 2: Convert to fraction form
    573,760.80/858,672.90 = 526,521.60/x
  3. Step 3: Cross multiply
    573,760.80x = 858,672.90 × 526,521.60
  4. Step 4: Simplify right side
    573,760.80x = 452,109,829,184.64
  5. Step 5: Solve for x
    x = 452,109,829,184.64/573,760.80
  6. Step 6: Final answer
    x = 787,976.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.