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Finding the Fourth Proportional to 618,007.68, 852,409.67 and 567,184.23

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Solution

The fourth proportional to 618,007.68, 852,409.67 and 567,184.23 is: 782,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,007.68 : 852,409.67 = 567,184.23 : x
  2. Step 2: Convert to fraction form
    618,007.68/852,409.67 = 567,184.23/x
  3. Step 3: Cross multiply
    618,007.68x = 852,409.67 × 567,184.23
  4. Step 4: Simplify right side
    618,007.68x = 483,473,319,487.58
  5. Step 5: Solve for x
    x = 483,473,319,487.58/618,007.68
  6. Step 6: Final answer
    x = 782,309.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.