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Finding the Fourth Proportional to 587,357.91, 881,430.56 and 377,143.47

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Solution

The fourth proportional to 587,357.91, 881,430.56 and 377,143.47 is: 565,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,357.91 : 881,430.56 = 377,143.47 : x
  2. Step 2: Convert to fraction form
    587,357.91/881,430.56 = 377,143.47/x
  3. Step 3: Cross multiply
    587,357.91x = 881,430.56 × 377,143.47
  4. Step 4: Simplify right side
    587,357.91x = 332,425,779,491.01
  5. Step 5: Solve for x
    x = 332,425,779,491.01/587,357.91
  6. Step 6: Final answer
    x = 565,968.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.