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Finding the Fourth Proportional to 570,370.76, 855,260.82 and 304,059.74

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Solution

The fourth proportional to 570,370.76, 855,260.82 and 304,059.74 is: 455,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,370.76 : 855,260.82 = 304,059.74 : x
  2. Step 2: Convert to fraction form
    570,370.76/855,260.82 = 304,059.74/x
  3. Step 3: Cross multiply
    570,370.76x = 855,260.82 × 304,059.74
  4. Step 4: Simplify right side
    570,370.76x = 260,050,382,561.39
  5. Step 5: Solve for x
    x = 260,050,382,561.39/570,370.76
  6. Step 6: Final answer
    x = 455,932.18

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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.