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Finding the Fourth Proportional to 563,924.10, 845,015.32 and 380,837.32

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Solution

The fourth proportional to 563,924.10, 845,015.32 and 380,837.32 is: 570,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,924.10 : 845,015.32 = 380,837.32 : x
  2. Step 2: Convert to fraction form
    563,924.10/845,015.32 = 380,837.32/x
  3. Step 3: Cross multiply
    563,924.10x = 845,015.32 × 380,837.32
  4. Step 4: Simplify right side
    563,924.10x = 321,813,369,827.74
  5. Step 5: Solve for x
    x = 321,813,369,827.74/563,924.10
  6. Step 6: Final answer
    x = 570,667.88

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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.