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Finding the Fourth Proportional to 671,897.80, 927,220.24 and 365,973.24

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Solution

The fourth proportional to 671,897.80, 927,220.24 and 365,973.24 is: 505,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,897.80 : 927,220.24 = 365,973.24 : x
  2. Step 2: Convert to fraction form
    671,897.80/927,220.24 = 365,973.24/x
  3. Step 3: Cross multiply
    671,897.80x = 927,220.24 × 365,973.24
  4. Step 4: Simplify right side
    671,897.80x = 339,337,795,426.38
  5. Step 5: Solve for x
    x = 339,337,795,426.38/671,897.80
  6. Step 6: Final answer
    x = 505,043.77

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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.