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Finding the Fourth Proportional to 897,118.52, 1,345,937.52 and 266,047.52

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Solution

The fourth proportional to 897,118.52, 1,345,937.52 and 266,047.52 is: 399,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,118.52 : 1,345,937.52 = 266,047.52 : x
  2. Step 2: Convert to fraction form
    897,118.52/1,345,937.52 = 266,047.52/x
  3. Step 3: Cross multiply
    897,118.52x = 1,345,937.52 × 266,047.52
  4. Step 4: Simplify right side
    897,118.52x = 358,083,339,270.95
  5. Step 5: Solve for x
    x = 358,083,339,270.95/897,118.52
  6. Step 6: Final answer
    x = 399,148.31

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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.