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Finding the Fourth Proportional to 489,883.10, 734,133.45 and 240,014.30

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Solution

The fourth proportional to 489,883.10, 734,133.45 and 240,014.30 is: 359,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,883.10 : 734,133.45 = 240,014.30 : x
  2. Step 2: Convert to fraction form
    489,883.10/734,133.45 = 240,014.30/x
  3. Step 3: Cross multiply
    489,883.10x = 734,133.45 × 240,014.30
  4. Step 4: Simplify right side
    489,883.10x = 176,202,526,108.34
  5. Step 5: Solve for x
    x = 176,202,526,108.34/489,883.10
  6. Step 6: Final answer
    x = 359,682.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.