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Finding the Fourth Proportional to 1,273,718.64, 1,757,731.64 and 700,746.50

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Solution

The fourth proportional to 1,273,718.64, 1,757,731.64 and 700,746.50 is: 967,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,718.64 : 1,757,731.64 = 700,746.50 : x
  2. Step 2: Convert to fraction form
    1,273,718.64/1,757,731.64 = 700,746.50/x
  3. Step 3: Cross multiply
    1,273,718.64x = 1,757,731.64 × 700,746.50
  4. Step 4: Simplify right side
    1,273,718.64x = 1,231,724,294,669.26
  5. Step 5: Solve for x
    x = 1,231,724,294,669.26/1,273,718.64
  6. Step 6: Final answer
    x = 967,030.12

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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.