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Finding the Fourth Proportional to 547,809.76, 755,975.88 and 302,792.88

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Solution

The fourth proportional to 547,809.76, 755,975.88 and 302,792.88 is: 417,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,809.76 : 755,975.88 = 302,792.88 : x
  2. Step 2: Convert to fraction form
    547,809.76/755,975.88 = 302,792.88/x
  3. Step 3: Cross multiply
    547,809.76x = 755,975.88 × 302,792.88
  4. Step 4: Simplify right side
    547,809.76x = 228,904,113,915.73
  5. Step 5: Solve for x
    x = 228,904,113,915.73/547,809.76
  6. Step 6: Final answer
    x = 417,853.30

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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.