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Finding the Fourth Proportional to 288,044.40, 432,066.60 and 169,946.40

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Solution

The fourth proportional to 288,044.40, 432,066.60 and 169,946.40 is: 254,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,044.40 : 432,066.60 = 169,946.40 : x
  2. Step 2: Convert to fraction form
    288,044.40/432,066.60 = 169,946.40/x
  3. Step 3: Cross multiply
    288,044.40x = 432,066.60 × 169,946.40
  4. Step 4: Simplify right side
    288,044.40x = 73,428,163,230.24
  5. Step 5: Solve for x
    x = 73,428,163,230.24/288,044.40
  6. Step 6: Final answer
    x = 254,919.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.