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Finding the Fourth Proportional to 692,960.63, 956,285.66 and 375,008.63

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Solution

The fourth proportional to 692,960.63, 956,285.66 and 375,008.63 is: 517,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,960.63 : 956,285.66 = 375,008.63 : x
  2. Step 2: Convert to fraction form
    692,960.63/956,285.66 = 375,008.63/x
  3. Step 3: Cross multiply
    692,960.63x = 956,285.66 × 375,008.63
  4. Step 4: Simplify right side
    692,960.63x = 358,615,371,401.34
  5. Step 5: Solve for x
    x = 358,615,371,401.34/692,960.63
  6. Step 6: Final answer
    x = 517,511.90

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1.5x scale

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.