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Finding the Fourth Proportional to 717,402.32, 989,941.94 and 441,716.39

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Solution

The fourth proportional to 717,402.32, 989,941.94 and 441,716.39 is: 609,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,402.32 : 989,941.94 = 441,716.39 : x
  2. Step 2: Convert to fraction form
    717,402.32/989,941.94 = 441,716.39/x
  3. Step 3: Cross multiply
    717,402.32x = 989,941.94 × 441,716.39
  4. Step 4: Simplify right side
    717,402.32x = 437,273,572,888.11
  5. Step 5: Solve for x
    x = 437,273,572,888.11/717,402.32
  6. Step 6: Final answer
    x = 609,523.50

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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.