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Finding the Fourth Proportional to 553,803.68, 827,670.63 and 404,358.68

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Solution

The fourth proportional to 553,803.68, 827,670.63 and 404,358.68 is: 604,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,803.68 : 827,670.63 = 404,358.68 : x
  2. Step 2: Convert to fraction form
    553,803.68/827,670.63 = 404,358.68/x
  3. Step 3: Cross multiply
    553,803.68x = 827,670.63 × 404,358.68
  4. Step 4: Simplify right side
    553,803.68x = 334,675,801,399.78
  5. Step 5: Solve for x
    x = 334,675,801,399.78/553,803.68
  6. Step 6: Final answer
    x = 604,322.10

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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.