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Finding the Fourth Proportional to 486,865.10, 730,297.65 and 486,865.10

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Solution

The fourth proportional to 486,865.10, 730,297.65 and 486,865.10 is: 730,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,865.10 : 730,297.65 = 486,865.10 : x
  2. Step 2: Convert to fraction form
    486,865.10/730,297.65 = 486,865.10/x
  3. Step 3: Cross multiply
    486,865.10x = 730,297.65 × 486,865.10
  4. Step 4: Simplify right side
    486,865.10x = 355,556,438,397.02
  5. Step 5: Solve for x
    x = 355,556,438,397.02/486,865.10
  6. Step 6: Final answer
    x = 730,297.65

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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.