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Finding the Fourth Proportional to 553,590.06, 827,351.76 and 404,145.06

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Solution

The fourth proportional to 553,590.06, 827,351.76 and 404,145.06 is: 604,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,590.06 : 827,351.76 = 404,145.06 : x
  2. Step 2: Convert to fraction form
    553,590.06/827,351.76 = 404,145.06/x
  3. Step 3: Cross multiply
    553,590.06x = 827,351.76 × 404,145.06
  4. Step 4: Simplify right side
    553,590.06x = 334,370,126,686.31
  5. Step 5: Solve for x
    x = 334,370,126,686.31/553,590.06
  6. Step 6: Final answer
    x = 604,003.13

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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.