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Finding the Fourth Proportional to 295,661.70, 443,492.55 and 272,852.10

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Solution

The fourth proportional to 295,661.70, 443,492.55 and 272,852.10 is: 409,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,661.70 : 443,492.55 = 272,852.10 : x
  2. Step 2: Convert to fraction form
    295,661.70/443,492.55 = 272,852.10/x
  3. Step 3: Cross multiply
    295,661.70x = 443,492.55 × 272,852.10
  4. Step 4: Simplify right side
    295,661.70x = 121,007,873,601.86
  5. Step 5: Solve for x
    x = 121,007,873,601.86/295,661.70
  6. Step 6: Final answer
    x = 409,278.15

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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.