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Finding the Fourth Proportional to 371,759.01, 513,025.62 and 210,613.68

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Solution

The fourth proportional to 371,759.01, 513,025.62 and 210,613.68 is: 290,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,759.01 : 513,025.62 = 210,613.68 : x
  2. Step 2: Convert to fraction form
    371,759.01/513,025.62 = 210,613.68/x
  3. Step 3: Cross multiply
    371,759.01x = 513,025.62 × 210,613.68
  4. Step 4: Simplify right side
    371,759.01x = 108,050,213,762.48
  5. Step 5: Solve for x
    x = 108,050,213,762.48/371,759.01
  6. Step 6: Final answer
    x = 290,645.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.