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Finding the Fourth Proportional to 671,141.79, 926,195.15 and 365,237.91

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Solution

The fourth proportional to 671,141.79, 926,195.15 and 365,237.91 is: 504,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,141.79 : 926,195.15 = 365,237.91 : x
  2. Step 2: Convert to fraction form
    671,141.79/926,195.15 = 365,237.91/x
  3. Step 3: Cross multiply
    671,141.79x = 926,195.15 × 365,237.91
  4. Step 4: Simplify right side
    671,141.79x = 338,281,579,011.95
  5. Step 5: Solve for x
    x = 338,281,579,011.95/671,141.79
  6. Step 6: Final answer
    x = 504,038.91

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Double scale
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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.