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Finding the Fourth Proportional to 555,876.38, 767,110.02 and 301,228.04

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Solution

The fourth proportional to 555,876.38, 767,110.02 and 301,228.04 is: 415,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,876.38 : 767,110.02 = 301,228.04 : x
  2. Step 2: Convert to fraction form
    555,876.38/767,110.02 = 301,228.04/x
  3. Step 3: Cross multiply
    555,876.38x = 767,110.02 × 301,228.04
  4. Step 4: Simplify right side
    555,876.38x = 231,075,047,788.96
  5. Step 5: Solve for x
    x = 231,075,047,788.96/555,876.38
  6. Step 6: Final answer
    x = 415,695.03

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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.