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Finding the Fourth Proportional to 478,094.14, 718,365.21 and 360,869.50

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Solution

The fourth proportional to 478,094.14, 718,365.21 and 360,869.50 is: 542,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,094.14 : 718,365.21 = 360,869.50 : x
  2. Step 2: Convert to fraction form
    478,094.14/718,365.21 = 360,869.50/x
  3. Step 3: Cross multiply
    478,094.14x = 718,365.21 × 360,869.50
  4. Step 4: Simplify right side
    478,094.14x = 259,236,094,150.10
  5. Step 5: Solve for x
    x = 259,236,094,150.10/478,094.14
  6. Step 6: Final answer
    x = 542,228.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.