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Finding the Fourth Proportional to 608,020.80, 852,628.80 and 608,020.80

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Solution

The fourth proportional to 608,020.80, 852,628.80 and 608,020.80 is: 852,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,020.80 : 852,628.80 = 608,020.80 : x
  2. Step 2: Convert to fraction form
    608,020.80/852,628.80 = 608,020.80/x
  3. Step 3: Cross multiply
    608,020.80x = 852,628.80 × 608,020.80
  4. Step 4: Simplify right side
    608,020.80x = 518,416,045,079.04
  5. Step 5: Solve for x
    x = 518,416,045,079.04/608,020.80
  6. Step 6: Final answer
    x = 852,628.80

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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.