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Finding the Fourth Proportional to 566,160.02, 781,308.53 and 308,040.03

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Solution

The fourth proportional to 566,160.02, 781,308.53 and 308,040.03 is: 425,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,160.02 : 781,308.53 = 308,040.03 : x
  2. Step 2: Convert to fraction form
    566,160.02/781,308.53 = 308,040.03/x
  3. Step 3: Cross multiply
    566,160.02x = 781,308.53 × 308,040.03
  4. Step 4: Simplify right side
    566,160.02x = 240,674,303,020.46
  5. Step 5: Solve for x
    x = 240,674,303,020.46/566,160.02
  6. Step 6: Final answer
    x = 425,099.43

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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.