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Finding the Fourth Proportional to 692,955, 956,277.90 and 375,003

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Solution

The fourth proportional to 692,955, 956,277.90 and 375,003 is: 517,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,955 : 956,277.90 = 375,003 : x
  2. Step 2: Convert to fraction form
    692,955/956,277.90 = 375,003/x
  3. Step 3: Cross multiply
    692,955x = 956,277.90 × 375,003
  4. Step 4: Simplify right side
    692,955x = 358,607,081,333.70
  5. Step 5: Solve for x
    x = 358,607,081,333.70/692,955
  6. Step 6: Final answer
    x = 517,504.14

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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.