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Finding the Fourth Proportional to 490,374,438,285.65, 735,561,657,428.45 and 490,374,438,285.65

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Solution

The fourth proportional to 490,374,438,285.65, 735,561,657,428.45 and 490,374,438,285.65 is: 735,561,657,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,374,438,285.65 : 735,561,657,428.45 = 490,374,438,285.65 : x
  2. Step 2: Convert to fraction form
    490,374,438,285.65/735,561,657,428.45 = 490,374,438,285.65/x
  3. Step 3: Cross multiply
    490,374,438,285.65x = 735,561,657,428.45 × 490,374,438,285.65
  4. Step 4: Simplify right side
    490,374,438,285.65x = 360,700,634,585,937,859,313,664
  5. Step 5: Solve for x
    x = 360,700,634,585,937,859,313,664/490,374,438,285.65
  6. Step 6: Final answer
    x = 735,561,657,428.45

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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.