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Finding the Fourth Proportional to 370,617.16, 511,506.54 and 234,663.72

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Solution

The fourth proportional to 370,617.16, 511,506.54 and 234,663.72 is: 323,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,617.16 : 511,506.54 = 234,663.72 : x
  2. Step 2: Convert to fraction form
    370,617.16/511,506.54 = 234,663.72/x
  3. Step 3: Cross multiply
    370,617.16x = 511,506.54 × 234,663.72
  4. Step 4: Simplify right side
    370,617.16x = 120,032,027,480.73
  5. Step 5: Solve for x
    x = 120,032,027,480.73/370,617.16
  6. Step 6: Final answer
    x = 323,870.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.