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Finding the Fourth Proportional to 480,412.76, 662,941.11 and 265,540.01

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Solution

The fourth proportional to 480,412.76, 662,941.11 and 265,540.01 is: 366,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,412.76 : 662,941.11 = 265,540.01 : x
  2. Step 2: Convert to fraction form
    480,412.76/662,941.11 = 265,540.01/x
  3. Step 3: Cross multiply
    480,412.76x = 662,941.11 × 265,540.01
  4. Step 4: Simplify right side
    480,412.76x = 176,037,390,636.16
  5. Step 5: Solve for x
    x = 176,037,390,636.16/480,412.76
  6. Step 6: Final answer
    x = 366,429.46

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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.