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Finding the Fourth Proportional to 313,980.40, 433,304.40 and 179,870.32

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Solution

The fourth proportional to 313,980.40, 433,304.40 and 179,870.32 is: 248,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,980.40 : 433,304.40 = 179,870.32 : x
  2. Step 2: Convert to fraction form
    313,980.40/433,304.40 = 179,870.32/x
  3. Step 3: Cross multiply
    313,980.40x = 433,304.40 × 179,870.32
  4. Step 4: Simplify right side
    313,980.40x = 77,938,601,085.41
  5. Step 5: Solve for x
    x = 77,938,601,085.41/313,980.40
  6. Step 6: Final answer
    x = 248,227.60

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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.