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Finding the Fourth Proportional to 369,609.60, 554,673.60 and 236,812.80

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Solution

The fourth proportional to 369,609.60, 554,673.60 and 236,812.80 is: 355,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,609.60 : 554,673.60 = 236,812.80 : x
  2. Step 2: Convert to fraction form
    369,609.60/554,673.60 = 236,812.80/x
  3. Step 3: Cross multiply
    369,609.60x = 554,673.60 × 236,812.80
  4. Step 4: Simplify right side
    369,609.60x = 131,353,808,302.08
  5. Step 5: Solve for x
    x = 131,353,808,302.08/369,609.60
  6. Step 6: Final answer
    x = 355,385.27

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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.