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Finding the Fourth Proportional to 358,889.60, 537,729.60 and 283,721.60

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Solution

The fourth proportional to 358,889.60, 537,729.60 and 283,721.60 is: 425,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,889.60 : 537,729.60 = 283,721.60 : x
  2. Step 2: Convert to fraction form
    358,889.60/537,729.60 = 283,721.60/x
  3. Step 3: Cross multiply
    358,889.60x = 537,729.60 × 283,721.60
  4. Step 4: Simplify right side
    358,889.60x = 152,565,502,479.36
  5. Step 5: Solve for x
    x = 152,565,502,479.36/358,889.60
  6. Step 6: Final answer
    x = 425,104.27

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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.