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Finding the Fourth Proportional to 652,635.66, 901,554.78 and 503,647.50

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Solution

The fourth proportional to 652,635.66, 901,554.78 and 503,647.50 is: 695,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,635.66 : 901,554.78 = 503,647.50 : x
  2. Step 2: Convert to fraction form
    652,635.66/901,554.78 = 503,647.50/x
  3. Step 3: Cross multiply
    652,635.66x = 901,554.78 × 503,647.50
  4. Step 4: Simplify right side
    652,635.66x = 454,065,811,060.05
  5. Step 5: Solve for x
    x = 454,065,811,060.05/652,635.66
  6. Step 6: Final answer
    x = 695,741.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.