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Finding the Fourth Proportional to 671,430.42, 926,573.96 and 365,509.02

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Solution

The fourth proportional to 671,430.42, 926,573.96 and 365,509.02 is: 504,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,430.42 : 926,573.96 = 365,509.02 : x
  2. Step 2: Convert to fraction form
    671,430.42/926,573.96 = 365,509.02/x
  3. Step 3: Cross multiply
    671,430.42x = 926,573.96 × 365,509.02
  4. Step 4: Simplify right side
    671,430.42x = 338,671,134,774.92
  5. Step 5: Solve for x
    x = 338,671,134,774.92/671,430.42
  6. Step 6: Final answer
    x = 504,402.43

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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.