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Finding the Fourth Proportional to 657,616.30, 918,563.30 and 657,616.30

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Solution

The fourth proportional to 657,616.30, 918,563.30 and 657,616.30 is: 918,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,616.30 : 918,563.30 = 657,616.30 : x
  2. Step 2: Convert to fraction form
    657,616.30/918,563.30 = 657,616.30/x
  3. Step 3: Cross multiply
    657,616.30x = 918,563.30 × 657,616.30
  4. Step 4: Simplify right side
    657,616.30x = 604,062,198,661.79
  5. Step 5: Solve for x
    x = 604,062,198,661.79/657,616.30
  6. Step 6: Final answer
    x = 918,563.30

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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.