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Finding the Fourth Proportional to 507,998.90, 761,464.94 and 170,922.53

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Solution

The fourth proportional to 507,998.90, 761,464.94 and 170,922.53 is: 256,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,998.90 : 761,464.94 = 170,922.53 : x
  2. Step 2: Convert to fraction form
    507,998.90/761,464.94 = 170,922.53/x
  3. Step 3: Cross multiply
    507,998.90x = 761,464.94 × 170,922.53
  4. Step 4: Simplify right side
    507,998.90x = 130,151,513,196.49
  5. Step 5: Solve for x
    x = 130,151,513,196.49/507,998.90
  6. Step 6: Final answer
    x = 256,204.32

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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.