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Finding the Fourth Proportional to 389,505.44, 583,897.08 and 152,850.08

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Solution

The fourth proportional to 389,505.44, 583,897.08 and 152,850.08 is: 229,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,505.44 : 583,897.08 = 152,850.08 : x
  2. Step 2: Convert to fraction form
    389,505.44/583,897.08 = 152,850.08/x
  3. Step 3: Cross multiply
    389,505.44x = 583,897.08 × 152,850.08
  4. Step 4: Simplify right side
    389,505.44x = 89,248,715,389.77
  5. Step 5: Solve for x
    x = 89,248,715,389.77/389,505.44
  6. Step 6: Final answer
    x = 229,133.42

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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.