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Finding the Fourth Proportional to 604,872,690.30, 907,309,035.45 and 604,872,690.30

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Solution

The fourth proportional to 604,872,690.30, 907,309,035.45 and 604,872,690.30 is: 907,309,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,872,690.30 : 907,309,035.45 = 604,872,690.30 : x
  2. Step 2: Convert to fraction form
    604,872,690.30/907,309,035.45 = 604,872,690.30/x
  3. Step 3: Cross multiply
    604,872,690.30x = 907,309,035.45 × 604,872,690.30
  4. Step 4: Simplify right side
    604,872,690.30x = 548,806,457,206,139,584
  5. Step 5: Solve for x
    x = 548,806,457,206,139,584/604,872,690.30
  6. Step 6: Final answer
    x = 907,309,035.45

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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.