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Finding the Fourth Proportional to 243,743.40, 365,615.10 and 176,869.80

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Solution

The fourth proportional to 243,743.40, 365,615.10 and 176,869.80 is: 265,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.40 : 365,615.10 = 176,869.80 : x
  2. Step 2: Convert to fraction form
    243,743.40/365,615.10 = 176,869.80/x
  3. Step 3: Cross multiply
    243,743.40x = 365,615.10 × 176,869.80
  4. Step 4: Simplify right side
    243,743.40x = 64,666,269,613.98
  5. Step 5: Solve for x
    x = 64,666,269,613.98/243,743.40
  6. Step 6: Final answer
    x = 265,304.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.