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Finding the Fourth Proportional to 671,661.10, 926,890.86 and 365,732.74

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Solution

The fourth proportional to 671,661.10, 926,890.86 and 365,732.74 is: 504,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,661.10 : 926,890.86 = 365,732.74 : x
  2. Step 2: Convert to fraction form
    671,661.10/926,890.86 = 365,732.74/x
  3. Step 3: Cross multiply
    671,661.10x = 926,890.86 × 365,732.74
  4. Step 4: Simplify right side
    671,661.10x = 338,994,333,908.76
  5. Step 5: Solve for x
    x = 338,994,333,908.76/671,661.10
  6. Step 6: Final answer
    x = 504,710.39

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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.