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Finding the Fourth Proportional to 697,490.64, 956,248.02 and 684,893.52

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Solution

The fourth proportional to 697,490.64, 956,248.02 and 684,893.52 is: 938,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,490.64 : 956,248.02 = 684,893.52 : x
  2. Step 2: Convert to fraction form
    697,490.64/956,248.02 = 684,893.52/x
  3. Step 3: Cross multiply
    697,490.64x = 956,248.02 × 684,893.52
  4. Step 4: Simplify right side
    697,490.64x = 654,928,072,410.83
  5. Step 5: Solve for x
    x = 654,928,072,410.83/697,490.64
  6. Step 6: Final answer
    x = 938,977.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.