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Finding the Fourth Proportional to 510,021.64, 703,411.14 and 452,702.80

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Solution

The fourth proportional to 510,021.64, 703,411.14 and 452,702.80 is: 624,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,021.64 : 703,411.14 = 452,702.80 : x
  2. Step 2: Convert to fraction form
    510,021.64/703,411.14 = 452,702.80/x
  3. Step 3: Cross multiply
    510,021.64x = 703,411.14 × 452,702.80
  4. Step 4: Simplify right side
    510,021.64x = 318,436,192,629.19
  5. Step 5: Solve for x
    x = 318,436,192,629.19/510,021.64
  6. Step 6: Final answer
    x = 624,358.20

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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.