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Finding the Fourth Proportional to 304,880.70, 457,321.05 and 83,264.70

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Solution

The fourth proportional to 304,880.70, 457,321.05 and 83,264.70 is: 124,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,880.70 : 457,321.05 = 83,264.70 : x
  2. Step 2: Convert to fraction form
    304,880.70/457,321.05 = 83,264.70/x
  3. Step 3: Cross multiply
    304,880.70x = 457,321.05 × 83,264.70
  4. Step 4: Simplify right side
    304,880.70x = 38,078,700,031.94
  5. Step 5: Solve for x
    x = 38,078,700,031.94/304,880.70
  6. Step 6: Final answer
    x = 124,897.05

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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.