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Finding the Fourth Proportional to 480,589.48, 663,186.72 and 265,716.64

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Solution

The fourth proportional to 480,589.48, 663,186.72 and 265,716.64 is: 366,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,589.48 : 663,186.72 = 265,716.64 : x
  2. Step 2: Convert to fraction form
    480,589.48/663,186.72 = 265,716.64/x
  3. Step 3: Cross multiply
    480,589.48x = 663,186.72 × 265,716.64
  4. Step 4: Simplify right side
    480,589.48x = 176,219,746,931.02
  5. Step 5: Solve for x
    x = 176,219,746,931.02/480,589.48
  6. Step 6: Final answer
    x = 366,674.17

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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.