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Finding the Fourth Proportional to 370,752.19, 511,143.21 and 294,524.30

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Solution

The fourth proportional to 370,752.19, 511,143.21 and 294,524.30 is: 406,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,752.19 : 511,143.21 = 294,524.30 : x
  2. Step 2: Convert to fraction form
    370,752.19/511,143.21 = 294,524.30/x
  3. Step 3: Cross multiply
    370,752.19x = 511,143.21 × 294,524.30
  4. Step 4: Simplify right side
    370,752.19x = 150,544,097,402.86
  5. Step 5: Solve for x
    x = 150,544,097,402.86/370,752.19
  6. Step 6: Final answer
    x = 406,050.46

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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.