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Finding the Fourth Proportional to 543,232.02, 749,646.18 and 301,507.50

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Solution

The fourth proportional to 543,232.02, 749,646.18 and 301,507.50 is: 416,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,232.02 : 749,646.18 = 301,507.50 : x
  2. Step 2: Convert to fraction form
    543,232.02/749,646.18 = 301,507.50/x
  3. Step 3: Cross multiply
    543,232.02x = 749,646.18 × 301,507.50
  4. Step 4: Simplify right side
    543,232.02x = 226,023,945,616.35
  5. Step 5: Solve for x
    x = 226,023,945,616.35/543,232.02
  6. Step 6: Final answer
    x = 416,072.58

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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.