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Finding the Fourth Proportional to 618,285.34, 857,599.01 and 601,897.42

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Solution

The fourth proportional to 618,285.34, 857,599.01 and 601,897.42 is: 834,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,285.34 : 857,599.01 = 601,897.42 : x
  2. Step 2: Convert to fraction form
    618,285.34/857,599.01 = 601,897.42/x
  3. Step 3: Cross multiply
    618,285.34x = 857,599.01 × 601,897.42
  4. Step 4: Simplify right side
    618,285.34x = 516,186,631,513.55
  5. Step 5: Solve for x
    x = 516,186,631,513.55/618,285.34
  6. Step 6: Final answer
    x = 834,867.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.