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Finding the Fourth Proportional to 586,302.80, 879,454.20 and 516,261.20

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Solution

The fourth proportional to 586,302.80, 879,454.20 and 516,261.20 is: 774,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,302.80 : 879,454.20 = 516,261.20 : x
  2. Step 2: Convert to fraction form
    586,302.80/879,454.20 = 516,261.20/x
  3. Step 3: Cross multiply
    586,302.80x = 879,454.20 × 516,261.20
  4. Step 4: Simplify right side
    586,302.80x = 454,028,080,637.04
  5. Step 5: Solve for x
    x = 454,028,080,637.04/586,302.80
  6. Step 6: Final answer
    x = 774,391.80

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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.