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Finding the Fourth Proportional to 694,507.80, 973,710.60 and 694,507.80

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Solution

The fourth proportional to 694,507.80, 973,710.60 and 694,507.80 is: 973,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,507.80 : 973,710.60 = 694,507.80 : x
  2. Step 2: Convert to fraction form
    694,507.80/973,710.60 = 694,507.80/x
  3. Step 3: Cross multiply
    694,507.80x = 973,710.60 × 694,507.80
  4. Step 4: Simplify right side
    694,507.80x = 676,249,606,642.68
  5. Step 5: Solve for x
    x = 676,249,606,642.68/694,507.80
  6. Step 6: Final answer
    x = 973,710.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.