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Finding the Fourth Proportional to 371,681.16, 556,678.48 and 236,745.96

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Solution

The fourth proportional to 371,681.16, 556,678.48 and 236,745.96 is: 354,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,681.16 : 556,678.48 = 236,745.96 : x
  2. Step 2: Convert to fraction form
    371,681.16/556,678.48 = 236,745.96/x
  3. Step 3: Cross multiply
    371,681.16x = 556,678.48 × 236,745.96
  4. Step 4: Simplify right side
    371,681.16x = 131,791,381,158.94
  5. Step 5: Solve for x
    x = 131,791,381,158.94/371,681.16
  6. Step 6: Final answer
    x = 354,581.82

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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.