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Finding the Fourth Proportional to 307,246.24, 424,054.80 and 179,914.40

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Solution

The fourth proportional to 307,246.24, 424,054.80 and 179,914.40 is: 248,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,246.24 : 424,054.80 = 179,914.40 : x
  2. Step 2: Convert to fraction form
    307,246.24/424,054.80 = 179,914.40/x
  3. Step 3: Cross multiply
    307,246.24x = 424,054.80 × 179,914.40
  4. Step 4: Simplify right side
    307,246.24x = 76,293,564,909.12
  5. Step 5: Solve for x
    x = 76,293,564,909.12/307,246.24
  6. Step 6: Final answer
    x = 248,314.07

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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.