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Finding the Fourth Proportional to 404,153.07, 606,332.57 and 119,854.01

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Solution

The fourth proportional to 404,153.07, 606,332.57 and 119,854.01 is: 179,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,153.07 : 606,332.57 = 119,854.01 : x
  2. Step 2: Convert to fraction form
    404,153.07/606,332.57 = 119,854.01/x
  3. Step 3: Cross multiply
    404,153.07x = 606,332.57 × 119,854.01
  4. Step 4: Simplify right side
    404,153.07x = 72,671,386,277.17
  5. Step 5: Solve for x
    x = 72,671,386,277.17/404,153.07
  6. Step 6: Final answer
    x = 179,811.54

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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.