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Finding the Fourth Proportional to 429,222.35, 592,485.87 and 368,549.30

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Solution

The fourth proportional to 429,222.35, 592,485.87 and 368,549.30 is: 508,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,222.35 : 592,485.87 = 368,549.30 : x
  2. Step 2: Convert to fraction form
    429,222.35/592,485.87 = 368,549.30/x
  3. Step 3: Cross multiply
    429,222.35x = 592,485.87 × 368,549.30
  4. Step 4: Simplify right side
    429,222.35x = 218,360,255,511.67
  5. Step 5: Solve for x
    x = 218,360,255,511.67/429,222.35
  6. Step 6: Final answer
    x = 508,734.59

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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.