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Finding the Fourth Proportional to 596,000.70, 894,001.05 and 259,421.40

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Solution

The fourth proportional to 596,000.70, 894,001.05 and 259,421.40 is: 389,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,000.70 : 894,001.05 = 259,421.40 : x
  2. Step 2: Convert to fraction form
    596,000.70/894,001.05 = 259,421.40/x
  3. Step 3: Cross multiply
    596,000.70x = 894,001.05 × 259,421.40
  4. Step 4: Simplify right side
    596,000.70x = 231,923,003,992.47
  5. Step 5: Solve for x
    x = 231,923,003,992.47/596,000.70
  6. Step 6: Final answer
    x = 389,132.10

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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.