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Finding the Fourth Proportional to 366,354.90, 505,643.58 and 250,378.02

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Solution

The fourth proportional to 366,354.90, 505,643.58 and 250,378.02 is: 345,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,354.90 : 505,643.58 = 250,378.02 : x
  2. Step 2: Convert to fraction form
    366,354.90/505,643.58 = 250,378.02/x
  3. Step 3: Cross multiply
    366,354.90x = 505,643.58 × 250,378.02
  4. Step 4: Simplify right side
    366,354.90x = 126,602,038,386.11
  5. Step 5: Solve for x
    x = 126,602,038,386.11/366,354.90
  6. Step 6: Final answer
    x = 345,572.12

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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.