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Finding the Fourth Proportional to 576,095.20, 862,393.20 and 513,109.60

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Solution

The fourth proportional to 576,095.20, 862,393.20 and 513,109.60 is: 768,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,095.20 : 862,393.20 = 513,109.60 : x
  2. Step 2: Convert to fraction form
    576,095.20/862,393.20 = 513,109.60/x
  3. Step 3: Cross multiply
    576,095.20x = 862,393.20 × 513,109.60
  4. Step 4: Simplify right side
    576,095.20x = 442,502,229,894.72
  5. Step 5: Solve for x
    x = 442,502,229,894.72/576,095.20
  6. Step 6: Final answer
    x = 768,106.09

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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.