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Finding the Fourth Proportional to 579,287.80, 868,931.70 and 537,297.40

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Solution

The fourth proportional to 579,287.80, 868,931.70 and 537,297.40 is: 805,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,287.80 : 868,931.70 = 537,297.40 : x
  2. Step 2: Convert to fraction form
    579,287.80/868,931.70 = 537,297.40/x
  3. Step 3: Cross multiply
    579,287.80x = 868,931.70 × 537,297.40
  4. Step 4: Simplify right side
    579,287.80x = 466,874,743,187.58
  5. Step 5: Solve for x
    x = 466,874,743,187.58/579,287.80
  6. Step 6: Final answer
    x = 805,946.10

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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.