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Finding the Fourth Proportional to 564,041.70, 845,641.77 and 339,349.49

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Solution

The fourth proportional to 564,041.70, 845,641.77 and 339,349.49 is: 508,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,041.70 : 845,641.77 = 339,349.49 : x
  2. Step 2: Convert to fraction form
    564,041.70/845,641.77 = 339,349.49/x
  3. Step 3: Cross multiply
    564,041.70x = 845,641.77 × 339,349.49
  4. Step 4: Simplify right side
    564,041.70x = 286,968,103,372.20
  5. Step 5: Solve for x
    x = 286,968,103,372.20/564,041.70
  6. Step 6: Final answer
    x = 508,771.08

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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.