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Finding the Fourth Proportional to 474,429.50, 654,693.46 and 283,548.14

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Solution

The fourth proportional to 474,429.50, 654,693.46 and 283,548.14 is: 391,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,429.50 : 654,693.46 = 283,548.14 : x
  2. Step 2: Convert to fraction form
    474,429.50/654,693.46 = 283,548.14/x
  3. Step 3: Cross multiply
    474,429.50x = 654,693.46 × 283,548.14
  4. Step 4: Simplify right side
    474,429.50x = 185,637,108,870.83
  5. Step 5: Solve for x
    x = 185,637,108,870.83/474,429.50
  6. Step 6: Final answer
    x = 391,284.92

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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.