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Finding the Fourth Proportional to 545,160.04, 752,320.88 and 303,437.42

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Solution

The fourth proportional to 545,160.04, 752,320.88 and 303,437.42 is: 418,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,160.04 : 752,320.88 = 303,437.42 : x
  2. Step 2: Convert to fraction form
    545,160.04/752,320.88 = 303,437.42/x
  3. Step 3: Cross multiply
    545,160.04x = 752,320.88 × 303,437.42
  4. Step 4: Simplify right side
    545,160.04x = 228,282,305,322.14
  5. Step 5: Solve for x
    x = 228,282,305,322.14/545,160.04
  6. Step 6: Final answer
    x = 418,743.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.