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Finding the Fourth Proportional to 910,411.30, 1,365,616.95 and 910,411.30

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Solution

The fourth proportional to 910,411.30, 1,365,616.95 and 910,411.30 is: 1,365,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,411.30 : 1,365,616.95 = 910,411.30 : x
  2. Step 2: Convert to fraction form
    910,411.30/1,365,616.95 = 910,411.30/x
  3. Step 3: Cross multiply
    910,411.30x = 1,365,616.95 × 910,411.30
  4. Step 4: Simplify right side
    910,411.30x = 1,243,273,102,751.53
  5. Step 5: Solve for x
    x = 1,243,273,102,751.53/910,411.30
  6. Step 6: Final answer
    x = 1,365,616.95

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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.