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Finding the Fourth Proportional to 655,534.80, 983,261.70 and 276,292.80

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Solution

The fourth proportional to 655,534.80, 983,261.70 and 276,292.80 is: 414,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,534.80 : 983,261.70 = 276,292.80 : x
  2. Step 2: Convert to fraction form
    655,534.80/983,261.70 = 276,292.80/x
  3. Step 3: Cross multiply
    655,534.80x = 983,261.70 × 276,292.80
  4. Step 4: Simplify right side
    655,534.80x = 271,668,128,225.76
  5. Step 5: Solve for x
    x = 271,668,128,225.76/655,534.80
  6. Step 6: Final answer
    x = 414,422.13

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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.