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Finding the Fourth Proportional to 582,574.80, 873,862.20 and 345,795.60

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Solution

The fourth proportional to 582,574.80, 873,862.20 and 345,795.60 is: 518,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,574.80 : 873,862.20 = 345,795.60 : x
  2. Step 2: Convert to fraction form
    582,574.80/873,862.20 = 345,795.60/x
  3. Step 3: Cross multiply
    582,574.80x = 873,862.20 × 345,795.60
  4. Step 4: Simplify right side
    582,574.80x = 302,177,703,766.32
  5. Step 5: Solve for x
    x = 302,177,703,766.32/582,574.80
  6. Step 6: Final answer
    x = 518,693.40

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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.