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Finding the Fourth Proportional to 470,670.36, 649,525.18 and 255,810.46

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Solution

The fourth proportional to 470,670.36, 649,525.18 and 255,810.46 is: 353,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,670.36 : 649,525.18 = 255,810.46 : x
  2. Step 2: Convert to fraction form
    470,670.36/649,525.18 = 255,810.46/x
  3. Step 3: Cross multiply
    470,670.36x = 649,525.18 × 255,810.46
  4. Step 4: Simplify right side
    470,670.36x = 166,155,335,077.38
  5. Step 5: Solve for x
    x = 166,155,335,077.38/470,670.36
  6. Step 6: Final answer
    x = 353,018.48

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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.