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Finding the Fourth Proportional to 614,598.84, 921,927.42 and 298,679.40

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Solution

The fourth proportional to 614,598.84, 921,927.42 and 298,679.40 is: 448,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,598.84 : 921,927.42 = 298,679.40 : x
  2. Step 2: Convert to fraction form
    614,598.84/921,927.42 = 298,679.40/x
  3. Step 3: Cross multiply
    614,598.84x = 921,927.42 × 298,679.40
  4. Step 4: Simplify right side
    614,598.84x = 275,360,728,649.15
  5. Step 5: Solve for x
    x = 275,360,728,649.15/614,598.84
  6. Step 6: Final answer
    x = 448,033.27

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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.