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Finding the Fourth Proportional to 374,654.66, 517,070.66 and 245,701.58

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Solution

The fourth proportional to 374,654.66, 517,070.66 and 245,701.58 is: 339,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,654.66 : 517,070.66 = 245,701.58 : x
  2. Step 2: Convert to fraction form
    374,654.66/517,070.66 = 245,701.58/x
  3. Step 3: Cross multiply
    374,654.66x = 517,070.66 × 245,701.58
  4. Step 4: Simplify right side
    374,654.66x = 127,045,074,319.78
  5. Step 5: Solve for x
    x = 127,045,074,319.78/374,654.66
  6. Step 6: Final answer
    x = 339,099.15

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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.