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Finding the Fourth Proportional to 470,896.29, 649,833.48 and 256,036.50

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Solution

The fourth proportional to 470,896.29, 649,833.48 and 256,036.50 is: 353,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,896.29 : 649,833.48 = 256,036.50 : x
  2. Step 2: Convert to fraction form
    470,896.29/649,833.48 = 256,036.50/x
  3. Step 3: Cross multiply
    470,896.29x = 649,833.48 × 256,036.50
  4. Step 4: Simplify right side
    470,896.29x = 166,381,089,802.02
  5. Step 5: Solve for x
    x = 166,381,089,802.02/470,896.29
  6. Step 6: Final answer
    x = 353,328.52

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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.