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Finding the Fourth Proportional to 545,493.18, 753,256.50 and 341,894.10

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Solution

The fourth proportional to 545,493.18, 753,256.50 and 341,894.10 is: 472,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,493.18 : 753,256.50 = 341,894.10 : x
  2. Step 2: Convert to fraction form
    545,493.18/753,256.50 = 341,894.10/x
  3. Step 3: Cross multiply
    545,493.18x = 753,256.50 × 341,894.10
  4. Step 4: Simplify right side
    545,493.18x = 257,533,953,136.65
  5. Step 5: Solve for x
    x = 257,533,953,136.65/545,493.18
  6. Step 6: Final answer
    x = 472,112.14

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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.