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Finding the Fourth Proportional to 243,347.40, 365,021.10 and 176,473.80

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Solution

The fourth proportional to 243,347.40, 365,021.10 and 176,473.80 is: 264,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,347.40 : 365,021.10 = 176,473.80 : x
  2. Step 2: Convert to fraction form
    243,347.40/365,021.10 = 176,473.80/x
  3. Step 3: Cross multiply
    243,347.40x = 365,021.10 × 176,473.80
  4. Step 4: Simplify right side
    243,347.40x = 64,416,660,597.18
  5. Step 5: Solve for x
    x = 64,416,660,597.18/243,347.40
  6. Step 6: Final answer
    x = 264,710.70

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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.