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Finding the Fourth Proportional to 507,374.48, 761,311.81 and 237,520.91

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Solution

The fourth proportional to 507,374.48, 761,311.81 and 237,520.91 is: 356,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,374.48 : 761,311.81 = 237,520.91 : x
  2. Step 2: Convert to fraction form
    507,374.48/761,311.81 = 237,520.91/x
  3. Step 3: Cross multiply
    507,374.48x = 761,311.81 × 237,520.91
  4. Step 4: Simplify right side
    507,374.48x = 180,827,475,034.53
  5. Step 5: Solve for x
    x = 180,827,475,034.53/507,374.48
  6. Step 6: Final answer
    x = 356,398.44

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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.