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Finding the Fourth Proportional to 658,330.74, 908,490.74 and 356,524.74

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Solution

The fourth proportional to 658,330.74, 908,490.74 and 356,524.74 is: 492,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,330.74 : 908,490.74 = 356,524.74 : x
  2. Step 2: Convert to fraction form
    658,330.74/908,490.74 = 356,524.74/x
  3. Step 3: Cross multiply
    658,330.74x = 908,490.74 × 356,524.74
  4. Step 4: Simplify right side
    658,330.74x = 323,899,423,088.28
  5. Step 5: Solve for x
    x = 323,899,423,088.28/658,330.74
  6. Step 6: Final answer
    x = 492,001.06

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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.