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Finding the Fourth Proportional to 465,831.40, 698,747.10 and 297,869.80

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Solution

The fourth proportional to 465,831.40, 698,747.10 and 297,869.80 is: 446,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.40 : 698,747.10 = 297,869.80 : x
  2. Step 2: Convert to fraction form
    465,831.40/698,747.10 = 297,869.80/x
  3. Step 3: Cross multiply
    465,831.40x = 698,747.10 × 297,869.80
  4. Step 4: Simplify right side
    465,831.40x = 208,135,658,927.58
  5. Step 5: Solve for x
    x = 208,135,658,927.58/465,831.40
  6. Step 6: Final answer
    x = 446,804.70

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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.