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Finding the Fourth Proportional to 310,358.70, 465,624.45 and 152,592.30

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Solution

The fourth proportional to 310,358.70, 465,624.45 and 152,592.30 is: 228,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,358.70 : 465,624.45 = 152,592.30 : x
  2. Step 2: Convert to fraction form
    310,358.70/465,624.45 = 152,592.30/x
  3. Step 3: Cross multiply
    310,358.70x = 465,624.45 × 152,592.30
  4. Step 4: Simplify right side
    310,358.70x = 71,050,705,761.74
  5. Step 5: Solve for x
    x = 71,050,705,761.74/310,358.70
  6. Step 6: Final answer
    x = 228,930.93

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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.