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Finding the Fourth Proportional to 633,748.02, 874,245.15 and 429,729.90

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Solution

The fourth proportional to 633,748.02, 874,245.15 and 429,729.90 is: 592,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,748.02 : 874,245.15 = 429,729.90 : x
  2. Step 2: Convert to fraction form
    633,748.02/874,245.15 = 429,729.90/x
  3. Step 3: Cross multiply
    633,748.02x = 874,245.15 × 429,729.90
  4. Step 4: Simplify right side
    633,748.02x = 375,689,280,884.99
  5. Step 5: Solve for x
    x = 375,689,280,884.99/633,748.02
  6. Step 6: Final answer
    x = 592,805.45

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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.