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Finding the Fourth Proportional to 693,087.50, 956,463.63 and 375,135.50

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Solution

The fourth proportional to 693,087.50, 956,463.63 and 375,135.50 is: 517,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,087.50 : 956,463.63 = 375,135.50 : x
  2. Step 2: Convert to fraction form
    693,087.50/956,463.63 = 375,135.50/x
  3. Step 3: Cross multiply
    693,087.50x = 956,463.63 × 375,135.50
  4. Step 4: Simplify right side
    693,087.50x = 358,803,462,071.87
  5. Step 5: Solve for x
    x = 358,803,462,071.87/693,087.50
  6. Step 6: Final answer
    x = 517,688.55

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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.