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Finding the Fourth Proportional to 555,693.28, 766,853.04 and 301,038.56

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Solution

The fourth proportional to 555,693.28, 766,853.04 and 301,038.56 is: 415,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,693.28 : 766,853.04 = 301,038.56 : x
  2. Step 2: Convert to fraction form
    555,693.28/766,853.04 = 301,038.56/x
  3. Step 3: Cross multiply
    555,693.28x = 766,853.04 × 301,038.56
  4. Step 4: Simplify right side
    555,693.28x = 230,852,334,893.22
  5. Step 5: Solve for x
    x = 230,852,334,893.22/555,693.28
  6. Step 6: Final answer
    x = 415,431.22

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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.