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Finding the Fourth Proportional to 671,397.54, 926,547.96 and 365,493.72

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Solution

The fourth proportional to 671,397.54, 926,547.96 and 365,493.72 is: 504,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,397.54 : 926,547.96 = 365,493.72 : x
  2. Step 2: Convert to fraction form
    671,397.54/926,547.96 = 365,493.72/x
  3. Step 3: Cross multiply
    671,397.54x = 926,547.96 × 365,493.72
  4. Step 4: Simplify right side
    671,397.54x = 338,647,460,658.81
  5. Step 5: Solve for x
    x = 338,647,460,658.81/671,397.54
  6. Step 6: Final answer
    x = 504,391.87

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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.