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Finding the Fourth Proportional to 697,484.64, 956,239.80 and 684,887.52

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Solution

The fourth proportional to 697,484.64, 956,239.80 and 684,887.52 is: 938,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,484.64 : 956,239.80 = 684,887.52 : x
  2. Step 2: Convert to fraction form
    697,484.64/956,239.80 = 684,887.52/x
  3. Step 3: Cross multiply
    697,484.64x = 956,239.80 × 684,887.52
  4. Step 4: Simplify right side
    697,484.64x = 654,916,705,147.30
  5. Step 5: Solve for x
    x = 654,916,705,147.30/697,484.64
  6. Step 6: Final answer
    x = 938,969.36

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1.5x scale

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.