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Finding the Fourth Proportional to 671,415.25, 926,553.05 and 369,609.25

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Solution

The fourth proportional to 671,415.25, 926,553.05 and 369,609.25 is: 510,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,415.25 : 926,553.05 = 369,609.25 : x
  2. Step 2: Convert to fraction form
    671,415.25/926,553.05 = 369,609.25/x
  3. Step 3: Cross multiply
    671,415.25x = 926,553.05 × 369,609.25
  4. Step 4: Simplify right side
    671,415.25x = 342,462,577,895.71
  5. Step 5: Solve for x
    x = 342,462,577,895.71/671,415.25
  6. Step 6: Final answer
    x = 510,060.77

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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.