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Finding the Fourth Proportional to 225,604.60, 311,430.40 and 152,033.17

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Solution

The fourth proportional to 225,604.60, 311,430.40 and 152,033.17 is: 209,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,604.60 : 311,430.40 = 152,033.17 : x
  2. Step 2: Convert to fraction form
    225,604.60/311,430.40 = 152,033.17/x
  3. Step 3: Cross multiply
    225,604.60x = 311,430.40 × 152,033.17
  4. Step 4: Simplify right side
    225,604.60x = 47,347,750,946.37
  5. Step 5: Solve for x
    x = 47,347,750,946.37/225,604.60
  6. Step 6: Final answer
    x = 209,870.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.