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Finding the Fourth Proportional to 357,617.76, 493,327.44 and 242,902.32

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Solution

The fourth proportional to 357,617.76, 493,327.44 and 242,902.32 is: 335,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,617.76 : 493,327.44 = 242,902.32 : x
  2. Step 2: Convert to fraction form
    357,617.76/493,327.44 = 242,902.32/x
  3. Step 3: Cross multiply
    357,617.76x = 493,327.44 × 242,902.32
  4. Step 4: Simplify right side
    357,617.76x = 119,830,379,695.66
  5. Step 5: Solve for x
    x = 119,830,379,695.66/357,617.76
  6. Step 6: Final answer
    x = 335,079.50

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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.