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Finding the Fourth Proportional to 1,932,702.88, 2,666,700.48 and 1,168,740.04

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Solution

The fourth proportional to 1,932,702.88, 2,666,700.48 and 1,168,740.04 is: 1,612,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,702.88 : 2,666,700.48 = 1,168,740.04 : x
  2. Step 2: Convert to fraction form
    1,932,702.88/2,666,700.48 = 1,168,740.04/x
  3. Step 3: Cross multiply
    1,932,702.88x = 2,666,700.48 × 1,168,740.04
  4. Step 4: Simplify right side
    1,932,702.88x = 3,116,679,625,663.22
  5. Step 5: Solve for x
    x = 3,116,679,625,663.22/1,932,702.88
  6. Step 6: Final answer
    x = 1,612,601.53

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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.