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Finding the Fourth Proportional to 593,827.10, 890,740.65 and 520,099.10

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Solution

The fourth proportional to 593,827.10, 890,740.65 and 520,099.10 is: 780,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,827.10 : 890,740.65 = 520,099.10 : x
  2. Step 2: Convert to fraction form
    593,827.10/890,740.65 = 520,099.10/x
  3. Step 3: Cross multiply
    593,827.10x = 890,740.65 × 520,099.10
  4. Step 4: Simplify right side
    593,827.10x = 463,273,410,398.42
  5. Step 5: Solve for x
    x = 463,273,410,398.42/593,827.10
  6. Step 6: Final answer
    x = 780,148.65

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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.