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Finding the Fourth Proportional to 946,884, 1,306,699.86 and 517,165.14

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Solution

The fourth proportional to 946,884, 1,306,699.86 and 517,165.14 is: 713,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,884 : 1,306,699.86 = 517,165.14 : x
  2. Step 2: Convert to fraction form
    946,884/1,306,699.86 = 517,165.14/x
  3. Step 3: Cross multiply
    946,884x = 1,306,699.86 × 517,165.14
  4. Step 4: Simplify right side
    946,884x = 675,779,616,034.88
  5. Step 5: Solve for x
    x = 675,779,616,034.88/946,884
  6. Step 6: Final answer
    x = 713,687.86

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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.