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Finding the Fourth Proportional to 285,362.77, 393,804.75 and 164,501.86

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Solution

The fourth proportional to 285,362.77, 393,804.75 and 164,501.86 is: 227,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,362.77 : 393,804.75 = 164,501.86 : x
  2. Step 2: Convert to fraction form
    285,362.77/393,804.75 = 164,501.86/x
  3. Step 3: Cross multiply
    285,362.77x = 393,804.75 × 164,501.86
  4. Step 4: Simplify right side
    285,362.77x = 64,781,613,851.84
  5. Step 5: Solve for x
    x = 64,781,613,851.84/285,362.77
  6. Step 6: Final answer
    x = 227,014.95

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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.