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Finding the Fourth Proportional to 347,283.60, 520,050.60 and 277,299.60

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Solution

The fourth proportional to 347,283.60, 520,050.60 and 277,299.60 is: 415,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,283.60 : 520,050.60 = 277,299.60 : x
  2. Step 2: Convert to fraction form
    347,283.60/520,050.60 = 277,299.60/x
  3. Step 3: Cross multiply
    347,283.60x = 520,050.60 × 277,299.60
  4. Step 4: Simplify right side
    347,283.60x = 144,209,823,359.76
  5. Step 5: Solve for x
    x = 144,209,823,359.76/347,283.60
  6. Step 6: Final answer
    x = 415,250.89

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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.