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Finding the Fourth Proportional to 356,445.87, 534,555.77 and 116,505.51

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Solution

The fourth proportional to 356,445.87, 534,555.77 and 116,505.51 is: 174,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,445.87 : 534,555.77 = 116,505.51 : x
  2. Step 2: Convert to fraction form
    356,445.87/534,555.77 = 116,505.51/x
  3. Step 3: Cross multiply
    356,445.87x = 534,555.77 × 116,505.51
  4. Step 4: Simplify right side
    356,445.87x = 62,278,692,024.77
  5. Step 5: Solve for x
    x = 62,278,692,024.77/356,445.87
  6. Step 6: Final answer
    x = 174,721.32

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1.5x scale

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.