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Finding the Fourth Proportional to 673,125.36, 928,915.65 and 367,208.25

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Solution

The fourth proportional to 673,125.36, 928,915.65 and 367,208.25 is: 506,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,125.36 : 928,915.65 = 367,208.25 : x
  2. Step 2: Convert to fraction form
    673,125.36/928,915.65 = 367,208.25/x
  3. Step 3: Cross multiply
    673,125.36x = 928,915.65 × 367,208.25
  4. Step 4: Simplify right side
    673,125.36x = 341,105,490,234.11
  5. Step 5: Solve for x
    x = 341,105,490,234.11/673,125.36
  6. Step 6: Final answer
    x = 506,748.83

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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.