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Finding the Fourth Proportional to 6,402,892.33, 8,835,803.44 and 3,502,220.41

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Solution

The fourth proportional to 6,402,892.33, 8,835,803.44 and 3,502,220.41 is: 4,832,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,892.33 : 8,835,803.44 = 3,502,220.41 : x
  2. Step 2: Convert to fraction form
    6,402,892.33/8,835,803.44 = 3,502,220.41/x
  3. Step 3: Cross multiply
    6,402,892.33x = 8,835,803.44 × 3,502,220.41
  4. Step 4: Simplify right side
    6,402,892.33x = 30,944,931,146,316.21
  5. Step 5: Solve for x
    x = 30,944,931,146,316.21/6,402,892.33
  6. Step 6: Final answer
    x = 4,832,961.35

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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.