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Finding the Fourth Proportional to 692,739.02, 956,640.06 and 654,998.92

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Solution

The fourth proportional to 692,739.02, 956,640.06 and 654,998.92 is: 904,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,739.02 : 956,640.06 = 654,998.92 : x
  2. Step 2: Convert to fraction form
    692,739.02/956,640.06 = 654,998.92/x
  3. Step 3: Cross multiply
    692,739.02x = 956,640.06 × 654,998.92
  4. Step 4: Simplify right side
    692,739.02x = 626,598,206,128.74
  5. Step 5: Solve for x
    x = 626,598,206,128.74/692,739.02
  6. Step 6: Final answer
    x = 904,522.75

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1.5x scale

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.