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Finding the Fourth Proportional to 540,185.27, 745,435.62 and 298,462.64

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Solution

The fourth proportional to 540,185.27, 745,435.62 and 298,462.64 is: 411,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,185.27 : 745,435.62 = 298,462.64 : x
  2. Step 2: Convert to fraction form
    540,185.27/745,435.62 = 298,462.64/x
  3. Step 3: Cross multiply
    540,185.27x = 745,435.62 × 298,462.64
  4. Step 4: Simplify right side
    540,185.27x = 222,484,679,368.06
  5. Step 5: Solve for x
    x = 222,484,679,368.06/540,185.27
  6. Step 6: Final answer
    x = 411,867.36

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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.