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Finding the Fourth Proportional to 555,701.64, 766,864.02 and 301,051

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Solution

The fourth proportional to 555,701.64, 766,864.02 and 301,051 is: 415,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,701.64 : 766,864.02 = 301,051 : x
  2. Step 2: Convert to fraction form
    555,701.64/766,864.02 = 301,051/x
  3. Step 3: Cross multiply
    555,701.64x = 766,864.02 × 301,051
  4. Step 4: Simplify right side
    555,701.64x = 230,865,180,085.02
  5. Step 5: Solve for x
    x = 230,865,180,085.02/555,701.64
  6. Step 6: Final answer
    x = 415,448.08

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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.