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Finding the Fourth Proportional to 564,041.27, 845,641.11 and 339,349.05

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Solution

The fourth proportional to 564,041.27, 845,641.11 and 339,349.05 is: 508,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,041.27 : 845,641.11 = 339,349.05 : x
  2. Step 2: Convert to fraction form
    564,041.27/845,641.11 = 339,349.05/x
  3. Step 3: Cross multiply
    564,041.27x = 845,641.11 × 339,349.05
  4. Step 4: Simplify right side
    564,041.27x = 286,967,507,319.45
  5. Step 5: Solve for x
    x = 286,967,507,319.45/564,041.27
  6. Step 6: Final answer
    x = 508,770.41

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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.