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Finding the Fourth Proportional to 294,688.40, 442,032.60 and 235,639.40

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Solution

The fourth proportional to 294,688.40, 442,032.60 and 235,639.40 is: 353,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,688.40 : 442,032.60 = 235,639.40 : x
  2. Step 2: Convert to fraction form
    294,688.40/442,032.60 = 235,639.40/x
  3. Step 3: Cross multiply
    294,688.40x = 442,032.60 × 235,639.40
  4. Step 4: Simplify right side
    294,688.40x = 104,160,296,644.44
  5. Step 5: Solve for x
    x = 104,160,296,644.44/294,688.40
  6. Step 6: Final answer
    x = 353,459.10

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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.