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Finding the Fourth Proportional to 402,527.09, 555,442.76 and 241,388.93

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Solution

The fourth proportional to 402,527.09, 555,442.76 and 241,388.93 is: 333,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,527.09 : 555,442.76 = 241,388.93 : x
  2. Step 2: Convert to fraction form
    402,527.09/555,442.76 = 241,388.93/x
  3. Step 3: Cross multiply
    402,527.09x = 555,442.76 × 241,388.93
  4. Step 4: Simplify right side
    402,527.09x = 134,077,729,528.49
  5. Step 5: Solve for x
    x = 134,077,729,528.49/402,527.09
  6. Step 6: Final answer
    x = 333,089.96

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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.