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Finding the Fourth Proportional to 340,970.79, 511,603.68 and 183,014.72

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Solution

The fourth proportional to 340,970.79, 511,603.68 and 183,014.72 is: 274,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,970.79 : 511,603.68 = 183,014.72 : x
  2. Step 2: Convert to fraction form
    340,970.79/511,603.68 = 183,014.72/x
  3. Step 3: Cross multiply
    340,970.79x = 511,603.68 × 183,014.72
  4. Step 4: Simplify right side
    340,970.79x = 93,631,001,688.15
  5. Step 5: Solve for x
    x = 93,631,001,688.15/340,970.79
  6. Step 6: Final answer
    x = 274,601.24

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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.