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Finding the Fourth Proportional to 692,186.10, 955,217 and 382,088.87

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Solution

The fourth proportional to 692,186.10, 955,217 and 382,088.87 is: 527,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,186.10 : 955,217 = 382,088.87 : x
  2. Step 2: Convert to fraction form
    692,186.10/955,217 = 382,088.87/x
  3. Step 3: Cross multiply
    692,186.10x = 955,217 × 382,088.87
  4. Step 4: Simplify right side
    692,186.10x = 364,977,784,134.79
  5. Step 5: Solve for x
    x = 364,977,784,134.79/692,186.10
  6. Step 6: Final answer
    x = 527,282.74

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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.