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Finding the Fourth Proportional to 442,189.19, 610,242.71 and 248,657.80

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Solution

The fourth proportional to 442,189.19, 610,242.71 and 248,657.80 is: 343,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,189.19 : 610,242.71 = 248,657.80 : x
  2. Step 2: Convert to fraction form
    442,189.19/610,242.71 = 248,657.80/x
  3. Step 3: Cross multiply
    442,189.19x = 610,242.71 × 248,657.80
  4. Step 4: Simplify right side
    442,189.19x = 151,741,608,491.35
  5. Step 5: Solve for x
    x = 151,741,608,491.35/442,189.19
  6. Step 6: Final answer
    x = 343,159.93

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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.