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Finding the Fourth Proportional to 294,501.60, 441,752.40 and 72,885.60

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Solution

The fourth proportional to 294,501.60, 441,752.40 and 72,885.60 is: 109,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,501.60 : 441,752.40 = 72,885.60 : x
  2. Step 2: Convert to fraction form
    294,501.60/441,752.40 = 72,885.60/x
  3. Step 3: Cross multiply
    294,501.60x = 441,752.40 × 72,885.60
  4. Step 4: Simplify right side
    294,501.60x = 32,197,388,725.44
  5. Step 5: Solve for x
    x = 32,197,388,725.44/294,501.60
  6. Step 6: Final answer
    x = 109,328.40

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1.5x scale

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.