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Finding the Fourth Proportional to 671,895.79, 927,217.47 and 365,971.22

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Solution

The fourth proportional to 671,895.79, 927,217.47 and 365,971.22 is: 505,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,895.79 : 927,217.47 = 365,971.22 : x
  2. Step 2: Convert to fraction form
    671,895.79/927,217.47 = 365,971.22/x
  3. Step 3: Cross multiply
    671,895.79x = 927,217.47 × 365,971.22
  4. Step 4: Simplify right side
    671,895.79x = 339,334,908,701.21
  5. Step 5: Solve for x
    x = 339,334,908,701.21/671,895.79
  6. Step 6: Final answer
    x = 505,040.98

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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.