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Finding the Fourth Proportional to 647,526.10, 971,519.55 and 624,486.10

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Solution

The fourth proportional to 647,526.10, 971,519.55 and 624,486.10 is: 936,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526.10 : 971,519.55 = 624,486.10 : x
  2. Step 2: Convert to fraction form
    647,526.10/971,519.55 = 624,486.10/x
  3. Step 3: Cross multiply
    647,526.10x = 971,519.55 × 624,486.10
  4. Step 4: Simplify right side
    647,526.10x = 606,700,454,853.26
  5. Step 5: Solve for x
    x = 606,700,454,853.26/647,526.10
  6. Step 6: Final answer
    x = 936,951.35

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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.