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Finding the Fourth Proportional to 480,130.68, 662,587.29 and 265,275.69

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Solution

The fourth proportional to 480,130.68, 662,587.29 and 265,275.69 is: 366,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,130.68 : 662,587.29 = 265,275.69 : x
  2. Step 2: Convert to fraction form
    480,130.68/662,587.29 = 265,275.69/x
  3. Step 3: Cross multiply
    480,130.68x = 662,587.29 × 265,275.69
  4. Step 4: Simplify right side
    480,130.68x = 175,768,300,539.98
  5. Step 5: Solve for x
    x = 175,768,300,539.98/480,130.68
  6. Step 6: Final answer
    x = 366,084.29

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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.