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Finding the Fourth Proportional to 626,527.93, 864,609.18 and 340,048.15

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Solution

The fourth proportional to 626,527.93, 864,609.18 and 340,048.15 is: 469,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.93 : 864,609.18 = 340,048.15 : x
  2. Step 2: Convert to fraction form
    626,527.93/864,609.18 = 340,048.15/x
  3. Step 3: Cross multiply
    626,527.93x = 864,609.18 × 340,048.15
  4. Step 4: Simplify right side
    626,527.93x = 294,008,752,132.02
  5. Step 5: Solve for x
    x = 294,008,752,132.02/626,527.93
  6. Step 6: Final answer
    x = 469,266.79

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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.