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Finding the Fourth Proportional to 471,316.42, 650,424.45 and 256,457.58

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Solution

The fourth proportional to 471,316.42, 650,424.45 and 256,457.58 is: 353,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,316.42 : 650,424.45 = 256,457.58 : x
  2. Step 2: Convert to fraction form
    471,316.42/650,424.45 = 256,457.58/x
  3. Step 3: Cross multiply
    471,316.42x = 650,424.45 × 256,457.58
  4. Step 4: Simplify right side
    471,316.42x = 166,806,277,499.88
  5. Step 5: Solve for x
    x = 166,806,277,499.88/471,316.42
  6. Step 6: Final answer
    x = 353,915.69

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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.