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Finding the Fourth Proportional to 574,221.56, 792,411.74 and 316,096.17

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Solution

The fourth proportional to 574,221.56, 792,411.74 and 316,096.17 is: 436,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,221.56 : 792,411.74 = 316,096.17 : x
  2. Step 2: Convert to fraction form
    574,221.56/792,411.74 = 316,096.17/x
  3. Step 3: Cross multiply
    574,221.56x = 792,411.74 × 316,096.17
  4. Step 4: Simplify right side
    574,221.56x = 250,478,316,278.67
  5. Step 5: Solve for x
    x = 250,478,316,278.67/574,221.56
  6. Step 6: Final answer
    x = 436,205.01

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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.