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Finding the Fourth Proportional to 402,351.30, 555,293.07 and 241,294.95

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Solution

The fourth proportional to 402,351.30, 555,293.07 and 241,294.95 is: 333,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,351.30 : 555,293.07 = 241,294.95 : x
  2. Step 2: Convert to fraction form
    402,351.30/555,293.07 = 241,294.95/x
  3. Step 3: Cross multiply
    402,351.30x = 555,293.07 × 241,294.95
  4. Step 4: Simplify right side
    402,351.30x = 133,989,413,561.00
  5. Step 5: Solve for x
    x = 133,989,413,561.00/402,351.30
  6. Step 6: Final answer
    x = 333,015.98

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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.