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Finding the Fourth Proportional to 543,233.16, 749,647.44 and 301,515.12

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Solution

The fourth proportional to 543,233.16, 749,647.44 and 301,515.12 is: 416,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,233.16 : 749,647.44 = 301,515.12 : x
  2. Step 2: Convert to fraction form
    543,233.16/749,647.44 = 301,515.12/x
  3. Step 3: Cross multiply
    543,233.16x = 749,647.44 × 301,515.12
  4. Step 4: Simplify right side
    543,233.16x = 226,030,037,829.29
  5. Step 5: Solve for x
    x = 226,030,037,829.29/543,233.16
  6. Step 6: Final answer
    x = 416,082.92

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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.