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Finding the Fourth Proportional to 358,568.54, 537,681.25 and 208,851.53

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Solution

The fourth proportional to 358,568.54, 537,681.25 and 208,851.53 is: 313,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568.54 : 537,681.25 = 208,851.53 : x
  2. Step 2: Convert to fraction form
    358,568.54/537,681.25 = 208,851.53/x
  3. Step 3: Cross multiply
    358,568.54x = 537,681.25 × 208,851.53
  4. Step 4: Simplify right side
    358,568.54x = 112,295,549,287.47
  5. Step 5: Solve for x
    x = 112,295,549,287.47/358,568.54
  6. Step 6: Final answer
    x = 313,177.37

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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.