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Finding the Fourth Proportional to 504,523,280.40, 756,784,920.60 and 504,523,280.40

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Solution

The fourth proportional to 504,523,280.40, 756,784,920.60 and 504,523,280.40 is: 756,784,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,523,280.40 : 756,784,920.60 = 504,523,280.40 : x
  2. Step 2: Convert to fraction form
    504,523,280.40/756,784,920.60 = 504,523,280.40/x
  3. Step 3: Cross multiply
    504,523,280.40x = 756,784,920.60 × 504,523,280.40
  4. Step 4: Simplify right side
    504,523,280.40x = 381,815,610,698,365,504
  5. Step 5: Solve for x
    x = 381,815,610,698,365,504/504,523,280.40
  6. Step 6: Final answer
    x = 756,784,920.60

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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.