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Finding the Fourth Proportional to 341,699.60, 512,598.40 and 105,062.16

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Solution

The fourth proportional to 341,699.60, 512,598.40 and 105,062.16 is: 157,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,699.60 : 512,598.40 = 105,062.16 : x
  2. Step 2: Convert to fraction form
    341,699.60/512,598.40 = 105,062.16/x
  3. Step 3: Cross multiply
    341,699.60x = 512,598.40 × 105,062.16
  4. Step 4: Simplify right side
    341,699.60x = 53,854,695,116.54
  5. Step 5: Solve for x
    x = 53,854,695,116.54/341,699.60
  6. Step 6: Final answer
    x = 157,608.31

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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.