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Finding the Fourth Proportional to 593,407.72, 890,111.58 and 144,125.80

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Solution

The fourth proportional to 593,407.72, 890,111.58 and 144,125.80 is: 216,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,407.72 : 890,111.58 = 144,125.80 : x
  2. Step 2: Convert to fraction form
    593,407.72/890,111.58 = 144,125.80/x
  3. Step 3: Cross multiply
    593,407.72x = 890,111.58 × 144,125.80
  4. Step 4: Simplify right side
    593,407.72x = 128,288,043,556.76
  5. Step 5: Solve for x
    x = 128,288,043,556.76/593,407.72
  6. Step 6: Final answer
    x = 216,188.70

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Double scale
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Similar ratio
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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.