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Finding the Fourth Proportional to 442,412.48, 610,543.52 and 248,853.76

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Solution

The fourth proportional to 442,412.48, 610,543.52 and 248,853.76 is: 343,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,412.48 : 610,543.52 = 248,853.76 : x
  2. Step 2: Convert to fraction form
    442,412.48/610,543.52 = 248,853.76/x
  3. Step 3: Cross multiply
    442,412.48x = 610,543.52 × 248,853.76
  4. Step 4: Simplify right side
    442,412.48x = 151,936,050,595.64
  5. Step 5: Solve for x
    x = 151,936,050,595.64/442,412.48
  6. Step 6: Final answer
    x = 343,426.23

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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.