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Finding the Fourth Proportional to 577,150.80, 865,726.20 and 364,574.40

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Solution

The fourth proportional to 577,150.80, 865,726.20 and 364,574.40 is: 546,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,150.80 : 865,726.20 = 364,574.40 : x
  2. Step 2: Convert to fraction form
    577,150.80/865,726.20 = 364,574.40/x
  3. Step 3: Cross multiply
    577,150.80x = 865,726.20 × 364,574.40
  4. Step 4: Simplify right side
    577,150.80x = 315,621,609,929.28
  5. Step 5: Solve for x
    x = 315,621,609,929.28/577,150.80
  6. Step 6: Final answer
    x = 546,861.60

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Similar ratio
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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.