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Finding the Fourth Proportional to 255,607.04, 352,654.08 and 154,968.32

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Solution

The fourth proportional to 255,607.04, 352,654.08 and 154,968.32 is: 213,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,607.04 : 352,654.08 = 154,968.32 : x
  2. Step 2: Convert to fraction form
    255,607.04/352,654.08 = 154,968.32/x
  3. Step 3: Cross multiply
    255,607.04x = 352,654.08 × 154,968.32
  4. Step 4: Simplify right side
    255,607.04x = 54,650,210,318.75
  5. Step 5: Solve for x
    x = 54,650,210,318.75/255,607.04
  6. Step 6: Final answer
    x = 213,805.58

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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.