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Finding the Fourth Proportional to 560,609.36, 773,398.22 and 342,827.55

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Solution

The fourth proportional to 560,609.36, 773,398.22 and 342,827.55 is: 472,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,609.36 : 773,398.22 = 342,827.55 : x
  2. Step 2: Convert to fraction form
    560,609.36/773,398.22 = 342,827.55/x
  3. Step 3: Cross multiply
    560,609.36x = 773,398.22 × 342,827.55
  4. Step 4: Simplify right side
    560,609.36x = 265,142,215,222.82
  5. Step 5: Solve for x
    x = 265,142,215,222.82/560,609.36
  6. Step 6: Final answer
    x = 472,953.60

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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.