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Finding the Fourth Proportional to 507,587.88, 761,299.20 and 191,969.76

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Solution

The fourth proportional to 507,587.88, 761,299.20 and 191,969.76 is: 287,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,587.88 : 761,299.20 = 191,969.76 : x
  2. Step 2: Convert to fraction form
    507,587.88/761,299.20 = 191,969.76/x
  3. Step 3: Cross multiply
    507,587.88x = 761,299.20 × 191,969.76
  4. Step 4: Simplify right side
    507,587.88x = 146,146,424,712.19
  5. Step 5: Solve for x
    x = 146,146,424,712.19/507,587.88
  6. Step 6: Final answer
    x = 287,923.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.