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Finding the Fourth Proportional to 465,908.40, 698,862.60 and 297,946.80

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Solution

The fourth proportional to 465,908.40, 698,862.60 and 297,946.80 is: 446,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,908.40 : 698,862.60 = 297,946.80 : x
  2. Step 2: Convert to fraction form
    465,908.40/698,862.60 = 297,946.80/x
  3. Step 3: Cross multiply
    465,908.40x = 698,862.60 × 297,946.80
  4. Step 4: Simplify right side
    465,908.40x = 208,223,875,309.68
  5. Step 5: Solve for x
    x = 208,223,875,309.68/465,908.40
  6. Step 6: Final answer
    x = 446,920.20

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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.