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Finding the Fourth Proportional to 534,005.87, 737,284.90 and 316,284.55

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Solution

The fourth proportional to 534,005.87, 737,284.90 and 316,284.55 is: 436,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,005.87 : 737,284.90 = 316,284.55 : x
  2. Step 2: Convert to fraction form
    534,005.87/737,284.90 = 316,284.55/x
  3. Step 3: Cross multiply
    534,005.87x = 737,284.90 × 316,284.55
  4. Step 4: Simplify right side
    534,005.87x = 233,191,822,818.30
  5. Step 5: Solve for x
    x = 233,191,822,818.30/534,005.87
  6. Step 6: Final answer
    x = 436,684.01

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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.