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Finding the Fourth Proportional to 383,243.04, 575,110.52 and 257,025.76

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Solution

The fourth proportional to 383,243.04, 575,110.52 and 257,025.76 is: 385,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,243.04 : 575,110.52 = 257,025.76 : x
  2. Step 2: Convert to fraction form
    383,243.04/575,110.52 = 257,025.76/x
  3. Step 3: Cross multiply
    383,243.04x = 575,110.52 × 257,025.76
  4. Step 4: Simplify right side
    383,243.04x = 147,818,218,487.00
  5. Step 5: Solve for x
    x = 147,818,218,487.00/383,243.04
  6. Step 6: Final answer
    x = 385,703.60

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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.