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Finding the Fourth Proportional to 341,103.69, 511,656.75 and 104,445.38

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Solution

The fourth proportional to 341,103.69, 511,656.75 and 104,445.38 is: 156,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,103.69 : 511,656.75 = 104,445.38 : x
  2. Step 2: Convert to fraction form
    341,103.69/511,656.75 = 104,445.38/x
  3. Step 3: Cross multiply
    341,103.69x = 511,656.75 × 104,445.38
  4. Step 4: Simplify right side
    341,103.69x = 53,440,184,962.46
  5. Step 5: Solve for x
    x = 53,440,184,962.46/341,103.69
  6. Step 6: Final answer
    x = 156,668.45

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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.