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Finding the Fourth Proportional to 657,473.40, 986,210.10 and 433,524.60

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Solution

The fourth proportional to 657,473.40, 986,210.10 and 433,524.60 is: 650,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,473.40 : 986,210.10 = 433,524.60 : x
  2. Step 2: Convert to fraction form
    657,473.40/986,210.10 = 433,524.60/x
  3. Step 3: Cross multiply
    657,473.40x = 986,210.10 × 433,524.60
  4. Step 4: Simplify right side
    657,473.40x = 427,546,339,118.46
  5. Step 5: Solve for x
    x = 427,546,339,118.46/657,473.40
  6. Step 6: Final answer
    x = 650,286.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.