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Finding the Fourth Proportional to 704,889.09, 972,747.93 and 382,599.25

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Solution

The fourth proportional to 704,889.09, 972,747.93 and 382,599.25 is: 527,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889.09 : 972,747.93 = 382,599.25 : x
  2. Step 2: Convert to fraction form
    704,889.09/972,747.93 = 382,599.25/x
  3. Step 3: Cross multiply
    704,889.09x = 972,747.93 × 382,599.25
  4. Step 4: Simplify right side
    704,889.09x = 372,172,630,779.52
  5. Step 5: Solve for x
    x = 372,172,630,779.52/704,889.09
  6. Step 6: Final answer
    x = 527,987.50

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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.