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Finding the Fourth Proportional to 366,916.35, 550,374.53 and 338,047.95

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Solution

The fourth proportional to 366,916.35, 550,374.53 and 338,047.95 is: 507,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,916.35 : 550,374.53 = 338,047.95 : x
  2. Step 2: Convert to fraction form
    366,916.35/550,374.53 = 338,047.95/x
  3. Step 3: Cross multiply
    366,916.35x = 550,374.53 × 338,047.95
  4. Step 4: Simplify right side
    366,916.35x = 186,052,981,598.71
  5. Step 5: Solve for x
    x = 186,052,981,598.71/366,916.35
  6. Step 6: Final answer
    x = 507,071.93

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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.