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Finding the Fourth Proportional to 543,216.30, 749,632.82 and 301,500.96

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Solution

The fourth proportional to 543,216.30, 749,632.82 and 301,500.96 is: 416,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,216.30 : 749,632.82 = 301,500.96 : x
  2. Step 2: Convert to fraction form
    543,216.30/749,632.82 = 301,500.96/x
  3. Step 3: Cross multiply
    543,216.30x = 749,632.82 × 301,500.96
  4. Step 4: Simplify right side
    543,216.30x = 226,015,014,877.51
  5. Step 5: Solve for x
    x = 226,015,014,877.51/543,216.30
  6. Step 6: Final answer
    x = 416,068.18

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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.