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Finding the Fourth Proportional to 553,543.07, 827,281.72 and 404,098.07

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Solution

The fourth proportional to 553,543.07, 827,281.72 and 404,098.07 is: 603,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,543.07 : 827,281.72 = 404,098.07 : x
  2. Step 2: Convert to fraction form
    553,543.07/827,281.72 = 404,098.07/x
  3. Step 3: Cross multiply
    553,543.07x = 827,281.72 × 404,098.07
  4. Step 4: Simplify right side
    553,543.07x = 334,302,944,377.79
  5. Step 5: Solve for x
    x = 334,302,944,377.79/553,543.07
  6. Step 6: Final answer
    x = 603,933.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.