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Finding the Fourth Proportional to 369,657,834.40, 554,486,751.60 and 97,056,157.60

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Solution

The fourth proportional to 369,657,834.40, 554,486,751.60 and 97,056,157.60 is: 145,584,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,657,834.40 : 554,486,751.60 = 97,056,157.60 : x
  2. Step 2: Convert to fraction form
    369,657,834.40/554,486,751.60 = 97,056,157.60/x
  3. Step 3: Cross multiply
    369,657,834.40x = 554,486,751.60 × 97,056,157.60
  4. Step 4: Simplify right side
    369,657,834.40x = 53,816,353,550,401,648
  5. Step 5: Solve for x
    x = 53,816,353,550,401,648/369,657,834.40
  6. Step 6: Final answer
    x = 145,584,236.40

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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.