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Finding the Fourth Proportional to 695,233.20, 975,426 and 695,233.20

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Solution

The fourth proportional to 695,233.20, 975,426 and 695,233.20 is: 975,426

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,233.20 : 975,426 = 695,233.20 : x
  2. Step 2: Convert to fraction form
    695,233.20/975,426 = 695,233.20/x
  3. Step 3: Cross multiply
    695,233.20x = 975,426 × 695,233.20
  4. Step 4: Simplify right side
    695,233.20x = 678,148,539,343.20
  5. Step 5: Solve for x
    x = 678,148,539,343.20/695,233.20
  6. Step 6: Final answer
    x = 975,426

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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.