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Finding the Fourth Proportional to 480,143.63, 662,611.58 and 265,297.55

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Solution

The fourth proportional to 480,143.63, 662,611.58 and 265,297.55 is: 366,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,143.63 : 662,611.58 = 265,297.55 : x
  2. Step 2: Convert to fraction form
    480,143.63/662,611.58 = 265,297.55/x
  3. Step 3: Cross multiply
    480,143.63x = 662,611.58 × 265,297.55
  4. Step 4: Simplify right side
    480,143.63x = 175,789,225,130.95
  5. Step 5: Solve for x
    x = 175,789,225,130.95/480,143.63
  6. Step 6: Final answer
    x = 366,118.00

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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.