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Finding the Fourth Proportional to 277,528.59, 383,063.40 and 156,740.58

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Solution

The fourth proportional to 277,528.59, 383,063.40 and 156,740.58 is: 216,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,528.59 : 383,063.40 = 156,740.58 : x
  2. Step 2: Convert to fraction form
    277,528.59/383,063.40 = 156,740.58/x
  3. Step 3: Cross multiply
    277,528.59x = 383,063.40 × 156,740.58
  4. Step 4: Simplify right side
    277,528.59x = 60,041,579,492.77
  5. Step 5: Solve for x
    x = 60,041,579,492.77/277,528.59
  6. Step 6: Final answer
    x = 216,343.76

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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.