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Finding the Fourth Proportional to 354,915.70, 532,373.55 and 177,768.70

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Solution

The fourth proportional to 354,915.70, 532,373.55 and 177,768.70 is: 266,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,915.70 : 532,373.55 = 177,768.70 : x
  2. Step 2: Convert to fraction form
    354,915.70/532,373.55 = 177,768.70/x
  3. Step 3: Cross multiply
    354,915.70x = 532,373.55 × 177,768.70
  4. Step 4: Simplify right side
    354,915.70x = 94,639,353,897.89
  5. Step 5: Solve for x
    x = 94,639,353,897.89/354,915.70
  6. Step 6: Final answer
    x = 266,653.05

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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.