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Finding the Fourth Proportional to 384,912,235.20, 577,368,352.80 and 373,574,827.20

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Solution

The fourth proportional to 384,912,235.20, 577,368,352.80 and 373,574,827.20 is: 560,362,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,235.20 : 577,368,352.80 = 373,574,827.20 : x
  2. Step 2: Convert to fraction form
    384,912,235.20/577,368,352.80 = 373,574,827.20/x
  3. Step 3: Cross multiply
    384,912,235.20x = 577,368,352.80 × 373,574,827.20
  4. Step 4: Simplify right side
    384,912,235.20x = 215,690,282,628,008,608
  5. Step 5: Solve for x
    x = 215,690,282,628,008,608/384,912,235.20
  6. Step 6: Final answer
    x = 560,362,240.80

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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.