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Finding the Fourth Proportional to 737,170.40, 1,017,327.90 and 414,901.40

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Solution

The fourth proportional to 737,170.40, 1,017,327.90 and 414,901.40 is: 572,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,170.40 : 1,017,327.90 = 414,901.40 : x
  2. Step 2: Convert to fraction form
    737,170.40/1,017,327.90 = 414,901.40/x
  3. Step 3: Cross multiply
    737,170.40x = 1,017,327.90 × 414,901.40
  4. Step 4: Simplify right side
    737,170.40x = 422,090,769,969.06
  5. Step 5: Solve for x
    x = 422,090,769,969.06/737,170.40
  6. Step 6: Final answer
    x = 572,582.36

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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.