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Finding the Fourth Proportional to 671,015.30, 925,973.40 and 365,092.90

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Solution

The fourth proportional to 671,015.30, 925,973.40 and 365,092.90 is: 503,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,015.30 : 925,973.40 = 365,092.90 : x
  2. Step 2: Convert to fraction form
    671,015.30/925,973.40 = 365,092.90/x
  3. Step 3: Cross multiply
    671,015.30x = 925,973.40 × 365,092.90
  4. Step 4: Simplify right side
    671,015.30x = 338,066,315,111.15
  5. Step 5: Solve for x
    x = 338,066,315,111.15/671,015.30
  6. Step 6: Final answer
    x = 503,813.13

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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.