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Finding the Fourth Proportional to 1,788,332.02, 2,466,647.26 and 1,176,289.14

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Solution

The fourth proportional to 1,788,332.02, 2,466,647.26 and 1,176,289.14 is: 1,622,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,332.02 : 2,466,647.26 = 1,176,289.14 : x
  2. Step 2: Convert to fraction form
    1,788,332.02/2,466,647.26 = 1,176,289.14/x
  3. Step 3: Cross multiply
    1,788,332.02x = 2,466,647.26 × 1,176,289.14
  4. Step 4: Simplify right side
    1,788,332.02x = 2,901,490,384,148.76
  5. Step 5: Solve for x
    x = 2,901,490,384,148.76/1,788,332.02
  6. Step 6: Final answer
    x = 1,622,456.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.