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Finding the Fourth Proportional to 608,852.77, 839,661.61 and 522,784.75

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Solution

The fourth proportional to 608,852.77, 839,661.61 and 522,784.75 is: 720,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,852.77 : 839,661.61 = 522,784.75 : x
  2. Step 2: Convert to fraction form
    608,852.77/839,661.61 = 522,784.75/x
  3. Step 3: Cross multiply
    608,852.77x = 839,661.61 × 522,784.75
  4. Step 4: Simplify right side
    608,852.77x = 438,962,284,868.45
  5. Step 5: Solve for x
    x = 438,962,284,868.45/608,852.77
  6. Step 6: Final answer
    x = 720,966.23

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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.