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Finding the Fourth Proportional to 457,233.36, 630,992.16 and 260,995.80

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Solution

The fourth proportional to 457,233.36, 630,992.16 and 260,995.80 is: 360,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,233.36 : 630,992.16 = 260,995.80 : x
  2. Step 2: Convert to fraction form
    457,233.36/630,992.16 = 260,995.80/x
  3. Step 3: Cross multiply
    457,233.36x = 630,992.16 × 260,995.80
  4. Step 4: Simplify right side
    457,233.36x = 164,686,303,592.93
  5. Step 5: Solve for x
    x = 164,686,303,592.93/457,233.36
  6. Step 6: Final answer
    x = 360,179.98

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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.