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Finding the Fourth Proportional to 480,529.68, 663,132.60 and 262,742.64

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Solution

The fourth proportional to 480,529.68, 663,132.60 and 262,742.64 is: 362,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,529.68 : 663,132.60 = 262,742.64 : x
  2. Step 2: Convert to fraction form
    480,529.68/663,132.60 = 262,742.64/x
  3. Step 3: Cross multiply
    480,529.68x = 663,132.60 × 262,742.64
  4. Step 4: Simplify right side
    480,529.68x = 174,233,209,994.06
  5. Step 5: Solve for x
    x = 174,233,209,994.06/480,529.68
  6. Step 6: Final answer
    x = 362,585.74

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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.