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Finding the Fourth Proportional to 540,726.69, 746,207.70 and 299,025.66

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Solution

The fourth proportional to 540,726.69, 746,207.70 and 299,025.66 is: 412,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,726.69 : 746,207.70 = 299,025.66 : x
  2. Step 2: Convert to fraction form
    540,726.69/746,207.70 = 299,025.66/x
  3. Step 3: Cross multiply
    540,726.69x = 746,207.70 × 299,025.66
  4. Step 4: Simplify right side
    540,726.69x = 223,135,249,989.58
  5. Step 5: Solve for x
    x = 223,135,249,989.58/540,726.69
  6. Step 6: Final answer
    x = 412,658.10

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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.