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Finding the Fourth Proportional to 545,110,417.70, 817,665,626.55 and 545,110,417.70

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Solution

The fourth proportional to 545,110,417.70, 817,665,626.55 and 545,110,417.70 is: 817,665,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,110,417.70 : 817,665,626.55 = 545,110,417.70 : x
  2. Step 2: Convert to fraction form
    545,110,417.70/817,665,626.55 = 545,110,417.70/x
  3. Step 3: Cross multiply
    545,110,417.70x = 817,665,626.55 × 545,110,417.70
  4. Step 4: Simplify right side
    545,110,417.70x = 445,718,051,227,602,752
  5. Step 5: Solve for x
    x = 445,718,051,227,602,752/545,110,417.70
  6. Step 6: Final answer
    x = 817,665,626.55

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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.