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Finding the Fourth Proportional to 503,897.40, 755,846.10 and 148,914.90

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Solution

The fourth proportional to 503,897.40, 755,846.10 and 148,914.90 is: 223,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.40 : 755,846.10 = 148,914.90 : x
  2. Step 2: Convert to fraction form
    503,897.40/755,846.10 = 148,914.90/x
  3. Step 3: Cross multiply
    503,897.40x = 755,846.10 × 148,914.90
  4. Step 4: Simplify right side
    503,897.40x = 112,556,746,396.89
  5. Step 5: Solve for x
    x = 112,556,746,396.89/503,897.40
  6. Step 6: Final answer
    x = 223,372.35

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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.