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Finding the Fourth Proportional to 626,278.69, 863,071.36 and 614,762.65

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Solution

The fourth proportional to 626,278.69, 863,071.36 and 614,762.65 is: 847,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,278.69 : 863,071.36 = 614,762.65 : x
  2. Step 2: Convert to fraction form
    626,278.69/863,071.36 = 614,762.65/x
  3. Step 3: Cross multiply
    626,278.69x = 863,071.36 × 614,762.65
  4. Step 4: Simplify right side
    626,278.69x = 530,584,036,412.70
  5. Step 5: Solve for x
    x = 530,584,036,412.70/626,278.69
  6. Step 6: Final answer
    x = 847,201.17

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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.