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Finding the Fourth Proportional to 284,312.79, 426,714.82 and 115,925.94

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Solution

The fourth proportional to 284,312.79, 426,714.82 and 115,925.94 is: 173,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,312.79 : 426,714.82 = 115,925.94 : x
  2. Step 2: Convert to fraction form
    284,312.79/426,714.82 = 115,925.94/x
  3. Step 3: Cross multiply
    284,312.79x = 426,714.82 × 115,925.94
  4. Step 4: Simplify right side
    284,312.79x = 49,467,316,330.62
  5. Step 5: Solve for x
    x = 49,467,316,330.62/284,312.79
  6. Step 6: Final answer
    x = 173,989.06

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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.