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Finding the Fourth Proportional to 553,749,807.60, 830,624,711.40 and 553,749,807.60

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Solution

The fourth proportional to 553,749,807.60, 830,624,711.40 and 553,749,807.60 is: 830,624,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,749,807.60 : 830,624,711.40 = 553,749,807.60 : x
  2. Step 2: Convert to fraction form
    553,749,807.60/830,624,711.40 = 553,749,807.60/x
  3. Step 3: Cross multiply
    553,749,807.60x = 830,624,711.40 × 553,749,807.60
  4. Step 4: Simplify right side
    553,749,807.60x = 459,958,274,125,555,520
  5. Step 5: Solve for x
    x = 459,958,274,125,555,520/553,749,807.60
  6. Step 6: Final answer
    x = 830,624,711.40

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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.