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Finding the Fourth Proportional to 675,057.80, 1,012,586.70 and 675,057.80

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Solution

The fourth proportional to 675,057.80, 1,012,586.70 and 675,057.80 is: 1,012,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,057.80 : 1,012,586.70 = 675,057.80 : x
  2. Step 2: Convert to fraction form
    675,057.80/1,012,586.70 = 675,057.80/x
  3. Step 3: Cross multiply
    675,057.80x = 1,012,586.70 × 675,057.80
  4. Step 4: Simplify right side
    675,057.80x = 683,554,550,011.26
  5. Step 5: Solve for x
    x = 683,554,550,011.26/675,057.80
  6. Step 6: Final answer
    x = 1,012,586.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.