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Finding the Fourth Proportional to 150,430,217.80, 225,645,326.70 and 150,430,217.80

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Solution

The fourth proportional to 150,430,217.80, 225,645,326.70 and 150,430,217.80 is: 225,645,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,430,217.80 : 225,645,326.70 = 150,430,217.80 : x
  2. Step 2: Convert to fraction form
    150,430,217.80/225,645,326.70 = 150,430,217.80/x
  3. Step 3: Cross multiply
    150,430,217.80x = 225,645,326.70 × 150,430,217.80
  4. Step 4: Simplify right side
    150,430,217.80x = 33,943,875,641,033,156
  5. Step 5: Solve for x
    x = 33,943,875,641,033,156/150,430,217.80
  6. Step 6: Final answer
    x = 225,645,326.70

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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.