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Finding the Fourth Proportional to 294,875.40, 442,313.10 and 73,259.40

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Solution

The fourth proportional to 294,875.40, 442,313.10 and 73,259.40 is: 109,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,875.40 : 442,313.10 = 73,259.40 : x
  2. Step 2: Convert to fraction form
    294,875.40/442,313.10 = 73,259.40/x
  3. Step 3: Cross multiply
    294,875.40x = 442,313.10 × 73,259.40
  4. Step 4: Simplify right side
    294,875.40x = 32,403,592,318.14
  5. Step 5: Solve for x
    x = 32,403,592,318.14/294,875.40
  6. Step 6: Final answer
    x = 109,889.10

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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.