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Finding the Fourth Proportional to 3,403,391.07, 4,696,619.43 and 1,854,666.61

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Solution

The fourth proportional to 3,403,391.07, 4,696,619.43 and 1,854,666.61 is: 2,559,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403,391.07 : 4,696,619.43 = 1,854,666.61 : x
  2. Step 2: Convert to fraction form
    3,403,391.07/4,696,619.43 = 1,854,666.61/x
  3. Step 3: Cross multiply
    3,403,391.07x = 4,696,619.43 × 1,854,666.61
  4. Step 4: Simplify right side
    3,403,391.07x = 8,710,663,236,698.23
  5. Step 5: Solve for x
    x = 8,710,663,236,698.23/3,403,391.07
  6. Step 6: Final answer
    x = 2,559,407.09

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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.