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Finding the Fourth Proportional to 673,430.55, 929,353.74 and 367,526.61

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Solution

The fourth proportional to 673,430.55, 929,353.74 and 367,526.61 is: 507,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,430.55 : 929,353.74 = 367,526.61 : x
  2. Step 2: Convert to fraction form
    673,430.55/929,353.74 = 367,526.61/x
  3. Step 3: Cross multiply
    673,430.55x = 929,353.74 × 367,526.61
  4. Step 4: Simplify right side
    673,430.55x = 341,562,229,553.02
  5. Step 5: Solve for x
    x = 341,562,229,553.02/673,430.55
  6. Step 6: Final answer
    x = 507,197.41

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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.