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Finding the Fourth Proportional to 604,396,337.76, 906,779,528.46 and 309,500,255.07

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Solution

The fourth proportional to 604,396,337.76, 906,779,528.46 and 309,500,255.07 is: 464,345,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,396,337.76 : 906,779,528.46 = 309,500,255.07 : x
  2. Step 2: Convert to fraction form
    604,396,337.76/906,779,528.46 = 309,500,255.07/x
  3. Step 3: Cross multiply
    604,396,337.76x = 906,779,528.46 × 309,500,255.07
  4. Step 4: Simplify right side
    604,396,337.76x = 280,648,495,350,624,320
  5. Step 5: Solve for x
    x = 280,648,495,350,624,320/604,396,337.76
  6. Step 6: Final answer
    x = 464,345,128.88

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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.