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Finding the Fourth Proportional to 475,287.12, 712,717.65 and 283,252.23

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Solution

The fourth proportional to 475,287.12, 712,717.65 and 283,252.23 is: 424,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,287.12 : 712,717.65 = 283,252.23 : x
  2. Step 2: Convert to fraction form
    475,287.12/712,717.65 = 283,252.23/x
  3. Step 3: Cross multiply
    475,287.12x = 712,717.65 × 283,252.23
  4. Step 4: Simplify right side
    475,287.12x = 201,878,863,722.86
  5. Step 5: Solve for x
    x = 201,878,863,722.86/475,287.12
  6. Step 6: Final answer
    x = 424,751.39

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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.