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Finding the Fourth Proportional to 563,780.81, 845,541.81 and 336,140.84

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Solution

The fourth proportional to 563,780.81, 845,541.81 and 336,140.84 is: 504,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,780.81 : 845,541.81 = 336,140.84 : x
  2. Step 2: Convert to fraction form
    563,780.81/845,541.81 = 336,140.84/x
  3. Step 3: Cross multiply
    563,780.81x = 845,541.81 × 336,140.84
  4. Step 4: Simplify right side
    563,780.81x = 284,221,130,040.81
  5. Step 5: Solve for x
    x = 284,221,130,040.81/563,780.81
  6. Step 6: Final answer
    x = 504,134.10

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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.