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Finding the Fourth Proportional to 572,736.01, 790,350.11 and 343,419.87

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Solution

The fourth proportional to 572,736.01, 790,350.11 and 343,419.87 is: 473,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,736.01 : 790,350.11 = 343,419.87 : x
  2. Step 2: Convert to fraction form
    572,736.01/790,350.11 = 343,419.87/x
  3. Step 3: Cross multiply
    572,736.01x = 790,350.11 × 343,419.87
  4. Step 4: Simplify right side
    572,736.01x = 271,421,932,030.69
  5. Step 5: Solve for x
    x = 271,421,932,030.69/572,736.01
  6. Step 6: Final answer
    x = 473,904.08

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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.