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Finding the Fourth Proportional to 436,897.14, 603,104.61 and 293,740.20

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Solution

The fourth proportional to 436,897.14, 603,104.61 and 293,740.20 is: 405,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,897.14 : 603,104.61 = 293,740.20 : x
  2. Step 2: Convert to fraction form
    436,897.14/603,104.61 = 293,740.20/x
  3. Step 3: Cross multiply
    436,897.14x = 603,104.61 × 293,740.20
  4. Step 4: Simplify right side
    436,897.14x = 177,156,068,762.32
  5. Step 5: Solve for x
    x = 177,156,068,762.32/436,897.14
  6. Step 6: Final answer
    x = 405,486.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.