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Finding the Fourth Proportional to 617,803.74, 927,360.63 and 547,184.81

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Solution

The fourth proportional to 617,803.74, 927,360.63 and 547,184.81 is: 821,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,803.74 : 927,360.63 = 547,184.81 : x
  2. Step 2: Convert to fraction form
    617,803.74/927,360.63 = 547,184.81/x
  3. Step 3: Cross multiply
    617,803.74x = 927,360.63 × 547,184.81
  4. Step 4: Simplify right side
    617,803.74x = 507,437,650,128.03
  5. Step 5: Solve for x
    x = 507,437,650,128.03/617,803.74
  6. Step 6: Final answer
    x = 821,357.36

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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.