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Finding the Fourth Proportional to 677,227.82, 934,693.43 and 514,423.49

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Solution

The fourth proportional to 677,227.82, 934,693.43 and 514,423.49 is: 709,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,227.82 : 934,693.43 = 514,423.49 : x
  2. Step 2: Convert to fraction form
    677,227.82/934,693.43 = 514,423.49/x
  3. Step 3: Cross multiply
    677,227.82x = 934,693.43 × 514,423.49
  4. Step 4: Simplify right side
    677,227.82x = 480,828,249,095.09
  5. Step 5: Solve for x
    x = 480,828,249,095.09/677,227.82
  6. Step 6: Final answer
    x = 709,994.83

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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.