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Finding the Fourth Proportional to 657,194.70, 922,560.90 and 657,194.70

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Solution

The fourth proportional to 657,194.70, 922,560.90 and 657,194.70 is: 922,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,194.70 : 922,560.90 = 657,194.70 : x
  2. Step 2: Convert to fraction form
    657,194.70/922,560.90 = 657,194.70/x
  3. Step 3: Cross multiply
    657,194.70x = 922,560.90 × 657,194.70
  4. Step 4: Simplify right side
    657,194.70x = 606,302,133,907.23
  5. Step 5: Solve for x
    x = 606,302,133,907.23/657,194.70
  6. Step 6: Final answer
    x = 922,560.90

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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.