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Finding the Fourth Proportional to 398,094.68, 549,365.06 and 226,011.26

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Solution

The fourth proportional to 398,094.68, 549,365.06 and 226,011.26 is: 311,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,094.68 : 549,365.06 = 226,011.26 : x
  2. Step 2: Convert to fraction form
    398,094.68/549,365.06 = 226,011.26/x
  3. Step 3: Cross multiply
    398,094.68x = 549,365.06 × 226,011.26
  4. Step 4: Simplify right side
    398,094.68x = 124,162,685,533.69
  5. Step 5: Solve for x
    x = 124,162,685,533.69/398,094.68
  6. Step 6: Final answer
    x = 311,892.35

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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.