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Finding the Fourth Proportional to 696,076.30, 972,407.30 and 696,076.30

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Solution

The fourth proportional to 696,076.30, 972,407.30 and 696,076.30 is: 972,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,076.30 : 972,407.30 = 696,076.30 : x
  2. Step 2: Convert to fraction form
    696,076.30/972,407.30 = 696,076.30/x
  3. Step 3: Cross multiply
    696,076.30x = 972,407.30 × 696,076.30
  4. Step 4: Simplify right side
    696,076.30x = 676,869,675,476.99
  5. Step 5: Solve for x
    x = 676,869,675,476.99/696,076.30
  6. Step 6: Final answer
    x = 972,407.30

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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.