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Finding the Fourth Proportional to 543,795.90, 750,437.96 and 302,101.01

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Solution

The fourth proportional to 543,795.90, 750,437.96 and 302,101.01 is: 416,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,795.90 : 750,437.96 = 302,101.01 : x
  2. Step 2: Convert to fraction form
    543,795.90/750,437.96 = 302,101.01/x
  3. Step 3: Cross multiply
    543,795.90x = 750,437.96 × 302,101.01
  4. Step 4: Simplify right side
    543,795.90x = 226,708,060,395.65
  5. Step 5: Solve for x
    x = 226,708,060,395.65/543,795.90
  6. Step 6: Final answer
    x = 416,899.17

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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.