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Finding the Fourth Proportional to 243,009.40, 364,514.10 and 176,913.40

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Solution

The fourth proportional to 243,009.40, 364,514.10 and 176,913.40 is: 265,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,009.40 : 364,514.10 = 176,913.40 : x
  2. Step 2: Convert to fraction form
    243,009.40/364,514.10 = 176,913.40/x
  3. Step 3: Cross multiply
    243,009.40x = 364,514.10 × 176,913.40
  4. Step 4: Simplify right side
    243,009.40x = 64,487,428,778.94
  5. Step 5: Solve for x
    x = 64,487,428,778.94/243,009.40
  6. Step 6: Final answer
    x = 265,370.10

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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.