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Finding the Fourth Proportional to 303,549.19, 455,345.89 and 116,560.69

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Solution

The fourth proportional to 303,549.19, 455,345.89 and 116,560.69 is: 174,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,549.19 : 455,345.89 = 116,560.69 : x
  2. Step 2: Convert to fraction form
    303,549.19/455,345.89 = 116,560.69/x
  3. Step 3: Cross multiply
    303,549.19x = 455,345.89 × 116,560.69
  4. Step 4: Simplify right side
    303,549.19x = 53,075,429,697.30
  5. Step 5: Solve for x
    x = 53,075,429,697.30/303,549.19
  6. Step 6: Final answer
    x = 174,849.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.