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Finding the Fourth Proportional to 572,734.01, 790,347.35 and 343,417.87

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Solution

The fourth proportional to 572,734.01, 790,347.35 and 343,417.87 is: 473,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,734.01 : 790,347.35 = 343,417.87 : x
  2. Step 2: Convert to fraction form
    572,734.01/790,347.35 = 343,417.87/x
  3. Step 3: Cross multiply
    572,734.01x = 790,347.35 × 343,417.87
  4. Step 4: Simplify right side
    572,734.01x = 271,419,405,343.62
  5. Step 5: Solve for x
    x = 271,419,405,343.62/572,734.01
  6. Step 6: Final answer
    x = 473,901.32

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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.