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Finding the Fourth Proportional to 545,598.61, 752,896.31 and 300,535.38

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Solution

The fourth proportional to 545,598.61, 752,896.31 and 300,535.38 is: 414,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,598.61 : 752,896.31 = 300,535.38 : x
  2. Step 2: Convert to fraction form
    545,598.61/752,896.31 = 300,535.38/x
  3. Step 3: Cross multiply
    545,598.61x = 752,896.31 × 300,535.38
  4. Step 4: Simplify right side
    545,598.61x = 226,271,977,123.77
  5. Step 5: Solve for x
    x = 226,271,977,123.77/545,598.61
  6. Step 6: Final answer
    x = 414,722.42

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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.