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Finding the Fourth Proportional to 566,453.60, 781,726.58 and 308,318.06

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Solution

The fourth proportional to 566,453.60, 781,726.58 and 308,318.06 is: 425,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,453.60 : 781,726.58 = 308,318.06 : x
  2. Step 2: Convert to fraction form
    566,453.60/781,726.58 = 308,318.06/x
  3. Step 3: Cross multiply
    566,453.60x = 781,726.58 × 308,318.06
  4. Step 4: Simplify right side
    566,453.60x = 241,020,422,596.04
  5. Step 5: Solve for x
    x = 241,020,422,596.04/566,453.60
  6. Step 6: Final answer
    x = 425,490.14

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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.