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Finding the Fourth Proportional to 553,670.05, 775,662.95 and 553,670.05

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Solution

The fourth proportional to 553,670.05, 775,662.95 and 553,670.05 is: 775,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,670.05 : 775,662.95 = 553,670.05 : x
  2. Step 2: Convert to fraction form
    553,670.05/775,662.95 = 553,670.05/x
  3. Step 3: Cross multiply
    553,670.05x = 775,662.95 × 553,670.05
  4. Step 4: Simplify right side
    553,670.05x = 429,461,344,309.65
  5. Step 5: Solve for x
    x = 429,461,344,309.65/553,670.05
  6. Step 6: Final answer
    x = 775,662.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.