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Finding the Fourth Proportional to 282,384.90, 422,518.62 and 168,114.74

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Solution

The fourth proportional to 282,384.90, 422,518.62 and 168,114.74 is: 251,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,384.90 : 422,518.62 = 168,114.74 : x
  2. Step 2: Convert to fraction form
    282,384.90/422,518.62 = 168,114.74/x
  3. Step 3: Cross multiply
    282,384.90x = 422,518.62 × 168,114.74
  4. Step 4: Simplify right side
    282,384.90x = 71,031,605,833.87
  5. Step 5: Solve for x
    x = 71,031,605,833.87/282,384.90
  6. Step 6: Final answer
    x = 251,541.80

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1.5x scale

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.