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Finding the Fourth Proportional to 602,811.77, 832,570.65 and 397,000.18

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Solution

The fourth proportional to 602,811.77, 832,570.65 and 397,000.18 is: 548,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,811.77 : 832,570.65 = 397,000.18 : x
  2. Step 2: Convert to fraction form
    602,811.77/832,570.65 = 397,000.18/x
  3. Step 3: Cross multiply
    602,811.77x = 832,570.65 × 397,000.18
  4. Step 4: Simplify right side
    602,811.77x = 330,530,697,912.72
  5. Step 5: Solve for x
    x = 330,530,697,912.72/602,811.77
  6. Step 6: Final answer
    x = 548,314.94

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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.