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Finding the Fourth Proportional to 302,854.50, 417,939.23 and 175,603.90

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Solution

The fourth proportional to 302,854.50, 417,939.23 and 175,603.90 is: 242,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,854.50 : 417,939.23 = 175,603.90 : x
  2. Step 2: Convert to fraction form
    302,854.50/417,939.23 = 175,603.90/x
  3. Step 3: Cross multiply
    302,854.50x = 417,939.23 × 175,603.90
  4. Step 4: Simplify right side
    302,854.50x = 73,391,758,751.00
  5. Step 5: Solve for x
    x = 73,391,758,751.00/302,854.50
  6. Step 6: Final answer
    x = 242,333.39

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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.