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Finding the Fourth Proportional to 573,692.19, 792,019.53 and 436,649.91

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Solution

The fourth proportional to 573,692.19, 792,019.53 and 436,649.91 is: 602,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,692.19 : 792,019.53 = 436,649.91 : x
  2. Step 2: Convert to fraction form
    573,692.19/792,019.53 = 436,649.91/x
  3. Step 3: Cross multiply
    573,692.19x = 792,019.53 × 436,649.91
  4. Step 4: Simplify right side
    573,692.19x = 345,835,256,492.74
  5. Step 5: Solve for x
    x = 345,835,256,492.74/573,692.19
  6. Step 6: Final answer
    x = 602,823.71

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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.