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Finding the Fourth Proportional to 429,866.72, 592,915.78 and 364,887.84

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Solution

The fourth proportional to 429,866.72, 592,915.78 and 364,887.84 is: 503,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,866.72 : 592,915.78 = 364,887.84 : x
  2. Step 2: Convert to fraction form
    429,866.72/592,915.78 = 364,887.84/x
  3. Step 3: Cross multiply
    429,866.72x = 592,915.78 × 364,887.84
  4. Step 4: Simplify right side
    429,866.72x = 216,347,754,748.28
  5. Step 5: Solve for x
    x = 216,347,754,748.28/429,866.72
  6. Step 6: Final answer
    x = 503,290.30

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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.