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Finding the Fourth Proportional to 692,956.50, 956,279.97 and 375,004.50

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Solution

The fourth proportional to 692,956.50, 956,279.97 and 375,004.50 is: 517,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,956.50 : 956,279.97 = 375,004.50 : x
  2. Step 2: Convert to fraction form
    692,956.50/956,279.97 = 375,004.50/x
  3. Step 3: Cross multiply
    692,956.50x = 956,279.97 × 375,004.50
  4. Step 4: Simplify right side
    692,956.50x = 358,609,292,009.87
  5. Step 5: Solve for x
    x = 358,609,292,009.87/692,956.50
  6. Step 6: Final answer
    x = 517,506.21

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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.