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Finding the Fourth Proportional to 601,312,300.50, 829,796,861.25 and 353,809,685.46

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Solution

The fourth proportional to 601,312,300.50, 829,796,861.25 and 353,809,685.46 is: 488,249,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,312,300.50 : 829,796,861.25 = 353,809,685.46 : x
  2. Step 2: Convert to fraction form
    601,312,300.50/829,796,861.25 = 353,809,685.46/x
  3. Step 3: Cross multiply
    601,312,300.50x = 829,796,861.25 × 353,809,685.46
  4. Step 4: Simplify right side
    601,312,300.50x = 293,590,166,474,557,760
  5. Step 5: Solve for x
    x = 293,590,166,474,557,760/601,312,300.50
  6. Step 6: Final answer
    x = 488,249,061.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.