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Finding the Fourth Proportional to 692,975, 956,305.50 and 375,023

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Solution

The fourth proportional to 692,975, 956,305.50 and 375,023 is: 517,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,975 : 956,305.50 = 375,023 : x
  2. Step 2: Convert to fraction form
    692,975/956,305.50 = 375,023/x
  3. Step 3: Cross multiply
    692,975x = 956,305.50 × 375,023
  4. Step 4: Simplify right side
    692,975x = 358,636,557,526.50
  5. Step 5: Solve for x
    x = 358,636,557,526.50/692,975
  6. Step 6: Final answer
    x = 517,531.74

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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.