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Finding the Fourth Proportional to 554,457.32, 831,777.22 and 170,196.53

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Solution

The fourth proportional to 554,457.32, 831,777.22 and 170,196.53 is: 255,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,457.32 : 831,777.22 = 170,196.53 : x
  2. Step 2: Convert to fraction form
    554,457.32/831,777.22 = 170,196.53/x
  3. Step 3: Cross multiply
    554,457.32x = 831,777.22 × 170,196.53
  4. Step 4: Simplify right side
    554,457.32x = 141,565,592,630.91
  5. Step 5: Solve for x
    x = 141,565,592,630.91/554,457.32
  6. Step 6: Final answer
    x = 255,322.80

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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.