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Finding the Fourth Proportional to 314,085.79, 433,449.80 and 179,975.71

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Solution

The fourth proportional to 314,085.79, 433,449.80 and 179,975.71 is: 248,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,085.79 : 433,449.80 = 179,975.71 : x
  2. Step 2: Convert to fraction form
    314,085.79/433,449.80 = 179,975.71/x
  3. Step 3: Cross multiply
    314,085.79x = 433,449.80 × 179,975.71
  4. Step 4: Simplify right side
    314,085.79x = 78,010,435,504.36
  5. Step 5: Solve for x
    x = 78,010,435,504.36/314,085.79
  6. Step 6: Final answer
    x = 248,373.02

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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.