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Finding the Fourth Proportional to 480,504.08, 663,109.47 and 265,657.98

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Solution

The fourth proportional to 480,504.08, 663,109.47 and 265,657.98 is: 366,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,504.08 : 663,109.47 = 265,657.98 : x
  2. Step 2: Convert to fraction form
    480,504.08/663,109.47 = 265,657.98/x
  3. Step 3: Cross multiply
    480,504.08x = 663,109.47 × 265,657.98
  4. Step 4: Simplify right side
    480,504.08x = 176,160,322,319.07
  5. Step 5: Solve for x
    x = 176,160,322,319.07/480,504.08
  6. Step 6: Final answer
    x = 366,615.66

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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.