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Finding the Fourth Proportional to 517,498.12, 776,335.74 and 237,039.40

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Solution

The fourth proportional to 517,498.12, 776,335.74 and 237,039.40 is: 355,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,498.12 : 776,335.74 = 237,039.40 : x
  2. Step 2: Convert to fraction form
    517,498.12/776,335.74 = 237,039.40/x
  3. Step 3: Cross multiply
    517,498.12x = 776,335.74 × 237,039.40
  4. Step 4: Simplify right side
    517,498.12x = 184,022,158,008.16
  5. Step 5: Solve for x
    x = 184,022,158,008.16/517,498.12
  6. Step 6: Final answer
    x = 355,599.66

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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.