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Finding the Fourth Proportional to 612,036.74, 844,618.34 and 336,424.68

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Solution

The fourth proportional to 612,036.74, 844,618.34 and 336,424.68 is: 464,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,036.74 : 844,618.34 = 336,424.68 : x
  2. Step 2: Convert to fraction form
    612,036.74/844,618.34 = 336,424.68/x
  3. Step 3: Cross multiply
    612,036.74x = 844,618.34 × 336,424.68
  4. Step 4: Simplify right side
    612,036.74x = 284,150,455,597.69
  5. Step 5: Solve for x
    x = 284,150,455,597.69/612,036.74
  6. Step 6: Final answer
    x = 464,270.26

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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.