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Finding the Fourth Proportional to 401,233.60, 602,012.40 and 176,636.80

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Solution

The fourth proportional to 401,233.60, 602,012.40 and 176,636.80 is: 265,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,233.60 : 602,012.40 = 176,636.80 : x
  2. Step 2: Convert to fraction form
    401,233.60/602,012.40 = 176,636.80/x
  3. Step 3: Cross multiply
    401,233.60x = 602,012.40 × 176,636.80
  4. Step 4: Simplify right side
    401,233.60x = 106,337,543,896.32
  5. Step 5: Solve for x
    x = 106,337,543,896.32/401,233.60
  6. Step 6: Final answer
    x = 265,026.52

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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.