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Finding the Fourth Proportional to 658,269.03, 908,406.06 and 356,463.03

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Solution

The fourth proportional to 658,269.03, 908,406.06 and 356,463.03 is: 491,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,269.03 : 908,406.06 = 356,463.03 : x
  2. Step 2: Convert to fraction form
    658,269.03/908,406.06 = 356,463.03/x
  3. Step 3: Cross multiply
    658,269.03x = 908,406.06 × 356,463.03
  4. Step 4: Simplify right side
    658,269.03x = 323,813,176,617.96
  5. Step 5: Solve for x
    x = 323,813,176,617.96/658,269.03
  6. Step 6: Final answer
    x = 491,916.16

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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.