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Finding the Fourth Proportional to 295,706.60, 442,903.80 and 228,784.40

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Solution

The fourth proportional to 295,706.60, 442,903.80 and 228,784.40 is: 342,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,706.60 : 442,903.80 = 228,784.40 : x
  2. Step 2: Convert to fraction form
    295,706.60/442,903.80 = 228,784.40/x
  3. Step 3: Cross multiply
    295,706.60x = 442,903.80 × 228,784.40
  4. Step 4: Simplify right side
    295,706.60x = 101,329,480,140.72
  5. Step 5: Solve for x
    x = 101,329,480,140.72/295,706.60
  6. Step 6: Final answer
    x = 342,668.98

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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.