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Finding the Fourth Proportional to 407,748.96, 562,700.52 and 223,995.28

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Solution

The fourth proportional to 407,748.96, 562,700.52 and 223,995.28 is: 309,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748.96 : 562,700.52 = 223,995.28 : x
  2. Step 2: Convert to fraction form
    407,748.96/562,700.52 = 223,995.28/x
  3. Step 3: Cross multiply
    407,748.96x = 562,700.52 × 223,995.28
  4. Step 4: Simplify right side
    407,748.96x = 126,042,260,533.55
  5. Step 5: Solve for x
    x = 126,042,260,533.55/407,748.96
  6. Step 6: Final answer
    x = 309,117.31

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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.