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Finding the Fourth Proportional to 607,076.10, 910,869.30 and 326,265.30

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Solution

The fourth proportional to 607,076.10, 910,869.30 and 326,265.30 is: 489,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,076.10 : 910,869.30 = 326,265.30 : x
  2. Step 2: Convert to fraction form
    607,076.10/910,869.30 = 326,265.30/x
  3. Step 3: Cross multiply
    607,076.10x = 910,869.30 × 326,265.30
  4. Step 4: Simplify right side
    607,076.10x = 297,185,045,425.29
  5. Step 5: Solve for x
    x = 297,185,045,425.29/607,076.10
  6. Step 6: Final answer
    x = 489,535.08

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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.