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Finding the Fourth Proportional to 569,603.15, 786,052.55 and 324,580.90

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Solution

The fourth proportional to 569,603.15, 786,052.55 and 324,580.90 is: 447,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,603.15 : 786,052.55 = 324,580.90 : x
  2. Step 2: Convert to fraction form
    569,603.15/786,052.55 = 324,580.90/x
  3. Step 3: Cross multiply
    569,603.15x = 786,052.55 × 324,580.90
  4. Step 4: Simplify right side
    569,603.15x = 255,137,644,126.30
  5. Step 5: Solve for x
    x = 255,137,644,126.30/569,603.15
  6. Step 6: Final answer
    x = 447,921.76

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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.