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Finding the Fourth Proportional to 480,263.58, 662,707.35 and 265,390.83

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Solution

The fourth proportional to 480,263.58, 662,707.35 and 265,390.83 is: 366,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,263.58 : 662,707.35 = 265,390.83 : x
  2. Step 2: Convert to fraction form
    480,263.58/662,707.35 = 265,390.83/x
  3. Step 3: Cross multiply
    480,263.58x = 662,707.35 × 265,390.83
  4. Step 4: Simplify right side
    480,263.58x = 175,876,453,663.60
  5. Step 5: Solve for x
    x = 175,876,453,663.60/480,263.58
  6. Step 6: Final answer
    x = 366,208.18

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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.