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Finding the Fourth Proportional to 563,092.96, 777,068.48 and 308,448.32

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Solution

The fourth proportional to 563,092.96, 777,068.48 and 308,448.32 is: 425,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,092.96 : 777,068.48 = 308,448.32 : x
  2. Step 2: Convert to fraction form
    563,092.96/777,068.48 = 308,448.32/x
  3. Step 3: Cross multiply
    563,092.96x = 777,068.48 × 308,448.32
  4. Step 4: Simplify right side
    563,092.96x = 239,685,467,180.95
  5. Step 5: Solve for x
    x = 239,685,467,180.95/563,092.96
  6. Step 6: Final answer
    x = 425,658.79

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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.