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Finding the Fourth Proportional to 604,990,768.60, 907,486,152.90 and 591,553,840.60

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Solution

The fourth proportional to 604,990,768.60, 907,486,152.90 and 591,553,840.60 is: 887,330,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,990,768.60 : 907,486,152.90 = 591,553,840.60 : x
  2. Step 2: Convert to fraction form
    604,990,768.60/907,486,152.90 = 591,553,840.60/x
  3. Step 3: Cross multiply
    604,990,768.60x = 907,486,152.90 × 591,553,840.60
  4. Step 4: Simplify right side
    604,990,768.60x = 536,826,919,039,313,856
  5. Step 5: Solve for x
    x = 536,826,919,039,313,856/604,990,768.60
  6. Step 6: Final answer
    x = 887,330,760.90

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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.