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Finding the Fourth Proportional to 277,607.32, 383,089.62 and 156,746.68

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Solution

The fourth proportional to 277,607.32, 383,089.62 and 156,746.68 is: 216,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,607.32 : 383,089.62 = 156,746.68 : x
  2. Step 2: Convert to fraction form
    277,607.32/383,089.62 = 156,746.68/x
  3. Step 3: Cross multiply
    277,607.32x = 383,089.62 × 156,746.68
  4. Step 4: Simplify right side
    277,607.32x = 60,048,026,077.46
  5. Step 5: Solve for x
    x = 60,048,026,077.46/277,607.32
  6. Step 6: Final answer
    x = 216,305.63

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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.