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Finding the Fourth Proportional to 369,700.40, 554,550.46 and 145,166.48

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Solution

The fourth proportional to 369,700.40, 554,550.46 and 145,166.48 is: 217,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,700.40 : 554,550.46 = 145,166.48 : x
  2. Step 2: Convert to fraction form
    369,700.40/554,550.46 = 145,166.48/x
  3. Step 3: Cross multiply
    369,700.40x = 554,550.46 × 145,166.48
  4. Step 4: Simplify right side
    369,700.40x = 80,502,138,260.58
  5. Step 5: Solve for x
    x = 80,502,138,260.58/369,700.40
  6. Step 6: Final answer
    x = 217,749.67

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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.