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Finding the Fourth Proportional to 593,489.69, 890,235.65 and 144,210.94

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Solution

The fourth proportional to 593,489.69, 890,235.65 and 144,210.94 is: 216,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,489.69 : 890,235.65 = 144,210.94 : x
  2. Step 2: Convert to fraction form
    593,489.69/890,235.65 = 144,210.94/x
  3. Step 3: Cross multiply
    593,489.69x = 890,235.65 × 144,210.94
  4. Step 4: Simplify right side
    593,489.69x = 128,381,719,908.01
  5. Step 5: Solve for x
    x = 128,381,719,908.01/593,489.69
  6. Step 6: Final answer
    x = 216,316.68

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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.