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Finding the Fourth Proportional to 1,788,437.02, 2,468,019.22 and 972,623.04

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Solution

The fourth proportional to 1,788,437.02, 2,468,019.22 and 972,623.04 is: 1,342,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,437.02 : 2,468,019.22 = 972,623.04 : x
  2. Step 2: Convert to fraction form
    1,788,437.02/2,468,019.22 = 972,623.04/x
  3. Step 3: Cross multiply
    1,788,437.02x = 2,468,019.22 × 972,623.04
  4. Step 4: Simplify right side
    1,788,437.02x = 2,400,452,356,534.83
  5. Step 5: Solve for x
    x = 2,400,452,356,534.83/1,788,437.02
  6. Step 6: Final answer
    x = 1,342,206.82

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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.