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Finding the Fourth Proportional to 543,354.86, 749,792.10 and 301,618.32

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Solution

The fourth proportional to 543,354.86, 749,792.10 and 301,618.32 is: 416,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,354.86 : 749,792.10 = 301,618.32 : x
  2. Step 2: Convert to fraction form
    543,354.86/749,792.10 = 301,618.32/x
  3. Step 3: Cross multiply
    543,354.86x = 749,792.10 × 301,618.32
  4. Step 4: Simplify right side
    543,354.86x = 226,151,033,551.27
  5. Step 5: Solve for x
    x = 226,151,033,551.27/543,354.86
  6. Step 6: Final answer
    x = 416,212.41

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1.5x scale

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.