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Finding the Fourth Proportional to 475,279.16, 712,705.62 and 283,244.27

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Solution

The fourth proportional to 475,279.16, 712,705.62 and 283,244.27 is: 424,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,279.16 : 712,705.62 = 283,244.27 : x
  2. Step 2: Convert to fraction form
    475,279.16/712,705.62 = 283,244.27/x
  3. Step 3: Cross multiply
    475,279.16x = 712,705.62 × 283,244.27
  4. Step 4: Simplify right side
    475,279.16x = 201,869,783,061.80
  5. Step 5: Solve for x
    x = 201,869,783,061.80/475,279.16
  6. Step 6: Final answer
    x = 424,739.40

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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.