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Finding the Fourth Proportional to 695,217.70, 975,404.30 and 695,217.70

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Solution

The fourth proportional to 695,217.70, 975,404.30 and 695,217.70 is: 975,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,217.70 : 975,404.30 = 695,217.70 : x
  2. Step 2: Convert to fraction form
    695,217.70/975,404.30 = 695,217.70/x
  3. Step 3: Cross multiply
    695,217.70x = 975,404.30 × 695,217.70
  4. Step 4: Simplify right side
    695,217.70x = 678,118,334,016.11
  5. Step 5: Solve for x
    x = 678,118,334,016.11/695,217.70
  6. Step 6: Final answer
    x = 975,404.30

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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.