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Finding the Fourth Proportional to 560,488, 840,576.33 and 155,587.13

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Solution

The fourth proportional to 560,488, 840,576.33 and 155,587.13 is: 233,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,488 : 840,576.33 = 155,587.13 : x
  2. Step 2: Convert to fraction form
    560,488/840,576.33 = 155,587.13/x
  3. Step 3: Cross multiply
    560,488x = 840,576.33 × 155,587.13
  4. Step 4: Simplify right side
    560,488x = 130,782,853,749.82
  5. Step 5: Solve for x
    x = 130,782,853,749.82/560,488
  6. Step 6: Final answer
    x = 233,337.47

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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.