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Finding the Fourth Proportional to 283,911,792.40, 425,867,688.60 and 122,353,728.40

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Solution

The fourth proportional to 283,911,792.40, 425,867,688.60 and 122,353,728.40 is: 183,530,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,911,792.40 : 425,867,688.60 = 122,353,728.40 : x
  2. Step 2: Convert to fraction form
    283,911,792.40/425,867,688.60 = 122,353,728.40/x
  3. Step 3: Cross multiply
    283,911,792.40x = 425,867,688.60 × 122,353,728.40
  4. Step 4: Simplify right side
    283,911,792.40x = 52,106,499,505,300,184
  5. Step 5: Solve for x
    x = 52,106,499,505,300,184/283,911,792.40
  6. Step 6: Final answer
    x = 183,530,592.60

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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.