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Finding the Fourth Proportional to 556,082.01, 767,394.33 and 301,433.19

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Solution

The fourth proportional to 556,082.01, 767,394.33 and 301,433.19 is: 415,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,082.01 : 767,394.33 = 301,433.19 : x
  2. Step 2: Convert to fraction form
    556,082.01/767,394.33 = 301,433.19/x
  3. Step 3: Cross multiply
    556,082.01x = 767,394.33 × 301,433.19
  4. Step 4: Simplify right side
    556,082.01x = 231,318,120,879.81
  5. Step 5: Solve for x
    x = 231,318,120,879.81/556,082.01
  6. Step 6: Final answer
    x = 415,978.43

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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.