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Finding the Fourth Proportional to 322,595.55, 445,174.54 and 175,417.20

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Solution

The fourth proportional to 322,595.55, 445,174.54 and 175,417.20 is: 242,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,595.55 : 445,174.54 = 175,417.20 : x
  2. Step 2: Convert to fraction form
    322,595.55/445,174.54 = 175,417.20/x
  3. Step 3: Cross multiply
    322,595.55x = 445,174.54 × 175,417.20
  4. Step 4: Simplify right side
    322,595.55x = 78,091,270,879.55
  5. Step 5: Solve for x
    x = 78,091,270,879.55/322,595.55
  6. Step 6: Final answer
    x = 242,071.75

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1.5x scale

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.