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Finding the Fourth Proportional to 6,384,718.75, 8,811,097.95 and 3,484,296.45

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Solution

The fourth proportional to 6,384,718.75, 8,811,097.95 and 3,484,296.45 is: 4,808,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,718.75 : 8,811,097.95 = 3,484,296.45 : x
  2. Step 2: Convert to fraction form
    6,384,718.75/8,811,097.95 = 3,484,296.45/x
  3. Step 3: Cross multiply
    6,384,718.75x = 8,811,097.95 × 3,484,296.45
  4. Step 4: Simplify right side
    6,384,718.75x = 30,700,477,307,787.28
  5. Step 5: Solve for x
    x = 30,700,477,307,787.28/6,384,718.75
  6. Step 6: Final answer
    x = 4,808,430.65

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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.