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Finding the Fourth Proportional to 521,041.44, 719,172.36 and 294,818.16

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Solution

The fourth proportional to 521,041.44, 719,172.36 and 294,818.16 is: 406,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,041.44 : 719,172.36 = 294,818.16 : x
  2. Step 2: Convert to fraction form
    521,041.44/719,172.36 = 294,818.16/x
  3. Step 3: Cross multiply
    521,041.44x = 719,172.36 × 294,818.16
  4. Step 4: Simplify right side
    521,041.44x = 212,025,071,898.06
  5. Step 5: Solve for x
    x = 212,025,071,898.06/521,041.44
  6. Step 6: Final answer
    x = 406,925.54

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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.