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Finding the Fourth Proportional to 6,402,608.31, 8,835,535.17 and 3,502,055.82

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Solution

The fourth proportional to 6,402,608.31, 8,835,535.17 and 3,502,055.82 is: 4,832,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,608.31 : 8,835,535.17 = 3,502,055.82 : x
  2. Step 2: Convert to fraction form
    6,402,608.31/8,835,535.17 = 3,502,055.82/x
  3. Step 3: Cross multiply
    6,402,608.31x = 8,835,535.17 × 3,502,055.82
  4. Step 4: Simplify right side
    6,402,608.31x = 30,942,537,364,913.19
  5. Step 5: Solve for x
    x = 30,942,537,364,913.19/6,402,608.31
  6. Step 6: Final answer
    x = 4,832,801.86

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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.