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Finding the Fourth Proportional to 480,342.44, 662,906.88 and 265,477.89

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Solution

The fourth proportional to 480,342.44, 662,906.88 and 265,477.89 is: 366,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,342.44 : 662,906.88 = 265,477.89 : x
  2. Step 2: Convert to fraction form
    480,342.44/662,906.88 = 265,477.89/x
  3. Step 3: Cross multiply
    480,342.44x = 662,906.88 × 265,477.89
  4. Step 4: Simplify right side
    480,342.44x = 175,987,119,768.88
  5. Step 5: Solve for x
    x = 175,987,119,768.88/480,342.44
  6. Step 6: Final answer
    x = 366,378.45

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1.5x scale

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.