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Finding the Fourth Proportional to 442,177.83, 610,221.74 and 251,223.57

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Solution

The fourth proportional to 442,177.83, 610,221.74 and 251,223.57 is: 346,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,177.83 : 610,221.74 = 251,223.57 : x
  2. Step 2: Convert to fraction form
    442,177.83/610,221.74 = 251,223.57/x
  3. Step 3: Cross multiply
    442,177.83x = 610,221.74 × 251,223.57
  4. Step 4: Simplify right side
    442,177.83x = 153,302,082,758.29
  5. Step 5: Solve for x
    x = 153,302,082,758.29/442,177.83
  6. Step 6: Final answer
    x = 346,697.80

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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.