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Finding the Fourth Proportional to 480,412.01, 662,940.08 and 265,539.26

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Solution

The fourth proportional to 480,412.01, 662,940.08 and 265,539.26 is: 366,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,412.01 : 662,940.08 = 265,539.26 : x
  2. Step 2: Convert to fraction form
    480,412.01/662,940.08 = 265,539.26/x
  3. Step 3: Cross multiply
    480,412.01x = 662,940.08 × 265,539.26
  4. Step 4: Simplify right side
    480,412.01x = 176,036,619,592.97
  5. Step 5: Solve for x
    x = 176,036,619,592.97/480,412.01
  6. Step 6: Final answer
    x = 366,428.43

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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.