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Finding the Fourth Proportional to 288,066.40, 397,602.88 and 174,983.92

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Solution

The fourth proportional to 288,066.40, 397,602.88 and 174,983.92 is: 241,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,066.40 : 397,602.88 = 174,983.92 : x
  2. Step 2: Convert to fraction form
    288,066.40/397,602.88 = 174,983.92/x
  3. Step 3: Cross multiply
    288,066.40x = 397,602.88 × 174,983.92
  4. Step 4: Simplify right side
    288,066.40x = 69,574,110,545.69
  5. Step 5: Solve for x
    x = 69,574,110,545.69/288,066.40
  6. Step 6: Final answer
    x = 241,521.09

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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.