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Finding the Fourth Proportional to 404,925.70, 607,561.35 and 194,455.30

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Solution

The fourth proportional to 404,925.70, 607,561.35 and 194,455.30 is: 291,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,925.70 : 607,561.35 = 194,455.30 : x
  2. Step 2: Convert to fraction form
    404,925.70/607,561.35 = 194,455.30/x
  3. Step 3: Cross multiply
    404,925.70x = 607,561.35 × 194,455.30
  4. Step 4: Simplify right side
    404,925.70x = 118,143,524,582.66
  5. Step 5: Solve for x
    x = 118,143,524,582.66/404,925.70
  6. Step 6: Final answer
    x = 291,765.93

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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.