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Finding the Fourth Proportional to 587,362.30, 823,966.10 and 587,362.30

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Solution

The fourth proportional to 587,362.30, 823,966.10 and 587,362.30 is: 823,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,362.30 : 823,966.10 = 587,362.30 : x
  2. Step 2: Convert to fraction form
    587,362.30/823,966.10 = 587,362.30/x
  3. Step 3: Cross multiply
    587,362.30x = 823,966.10 × 587,362.30
  4. Step 4: Simplify right side
    587,362.30x = 483,966,623,618.03
  5. Step 5: Solve for x
    x = 483,966,623,618.03/587,362.30
  6. Step 6: Final answer
    x = 823,966.10

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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.