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Finding the Fourth Proportional to 626,527.48, 864,598.14 and 340,045.06

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Solution

The fourth proportional to 626,527.48, 864,598.14 and 340,045.06 is: 469,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.48 : 864,598.14 = 340,045.06 : x
  2. Step 2: Convert to fraction form
    626,527.48/864,598.14 = 340,045.06/x
  3. Step 3: Cross multiply
    626,527.48x = 864,598.14 × 340,045.06
  4. Step 4: Simplify right side
    626,527.48x = 294,002,326,392.19
  5. Step 5: Solve for x
    x = 294,002,326,392.19/626,527.48
  6. Step 6: Final answer
    x = 469,256.87

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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.