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Finding the Fourth Proportional to 655,160.84, 980,916.42 and 334,618.64

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Solution

The fourth proportional to 655,160.84, 980,916.42 and 334,618.64 is: 500,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,160.84 : 980,916.42 = 334,618.64 : x
  2. Step 2: Convert to fraction form
    655,160.84/980,916.42 = 334,618.64/x
  3. Step 3: Cross multiply
    655,160.84x = 980,916.42 × 334,618.64
  4. Step 4: Simplify right side
    655,160.84x = 328,232,918,414.07
  5. Step 5: Solve for x
    x = 328,232,918,414.07/655,160.84
  6. Step 6: Final answer
    x = 500,995.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.