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Finding the Fourth Proportional to 228,477.24, 315,298.98 and 127,875.24

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Solution

The fourth proportional to 228,477.24, 315,298.98 and 127,875.24 is: 176,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,477.24 : 315,298.98 = 127,875.24 : x
  2. Step 2: Convert to fraction form
    228,477.24/315,298.98 = 127,875.24/x
  3. Step 3: Cross multiply
    228,477.24x = 315,298.98 × 127,875.24
  4. Step 4: Simplify right side
    228,477.24x = 40,318,932,739.26
  5. Step 5: Solve for x
    x = 40,318,932,739.26/228,477.24
  6. Step 6: Final answer
    x = 176,468.05

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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.