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Finding the Fourth Proportional to 692,994, 956,332.20 and 375,042

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Solution

The fourth proportional to 692,994, 956,332.20 and 375,042 is: 517,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,994 : 956,332.20 = 375,042 : x
  2. Step 2: Convert to fraction form
    692,994/956,332.20 = 375,042/x
  3. Step 3: Cross multiply
    692,994x = 956,332.20 × 375,042
  4. Step 4: Simplify right side
    692,994x = 358,664,740,952.40
  5. Step 5: Solve for x
    x = 358,664,740,952.40/692,994
  6. Step 6: Final answer
    x = 517,558.22

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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.