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Finding the Fourth Proportional to 603,344.95, 832,642.20 and 345,302.90

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Solution

The fourth proportional to 603,344.95, 832,642.20 and 345,302.90 is: 476,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,344.95 : 832,642.20 = 345,302.90 : x
  2. Step 2: Convert to fraction form
    603,344.95/832,642.20 = 345,302.90/x
  3. Step 3: Cross multiply
    603,344.95x = 832,642.20 × 345,302.90
  4. Step 4: Simplify right side
    603,344.95x = 287,513,766,322.38
  5. Step 5: Solve for x
    x = 287,513,766,322.38/603,344.95
  6. Step 6: Final answer
    x = 476,532.98

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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.