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Finding the Fourth Proportional to 4,602,253.78, 6,904,377.18 and 1,762,366.06

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Solution

The fourth proportional to 4,602,253.78, 6,904,377.18 and 1,762,366.06 is: 2,643,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602,253.78 : 6,904,377.18 = 1,762,366.06 : x
  2. Step 2: Convert to fraction form
    4,602,253.78/6,904,377.18 = 1,762,366.06/x
  3. Step 3: Cross multiply
    4,602,253.78x = 6,904,377.18 × 1,762,366.06
  4. Step 4: Simplify right side
    4,602,253.78x = 12,168,040,007,470.51
  5. Step 5: Solve for x
    x = 12,168,040,007,470.51/4,602,253.78
  6. Step 6: Final answer
    x = 2,643,930.69

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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.