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Finding the Fourth Proportional to 671,387.13, 926,526.06 and 365,472.33

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Solution

The fourth proportional to 671,387.13, 926,526.06 and 365,472.33 is: 504,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,387.13 : 926,526.06 = 365,472.33 : x
  2. Step 2: Convert to fraction form
    671,387.13/926,526.06 = 365,472.33/x
  3. Step 3: Cross multiply
    671,387.13x = 926,526.06 × 365,472.33
  4. Step 4: Simplify right side
    671,387.13x = 338,619,637,953.92
  5. Step 5: Solve for x
    x = 338,619,637,953.92/671,387.13
  6. Step 6: Final answer
    x = 504,358.25

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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.