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Finding the Fourth Proportional to 373,709.04, 515,561.40 and 260,597.40

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Solution

The fourth proportional to 373,709.04, 515,561.40 and 260,597.40 is: 359,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,709.04 : 515,561.40 = 260,597.40 : x
  2. Step 2: Convert to fraction form
    373,709.04/515,561.40 = 260,597.40/x
  3. Step 3: Cross multiply
    373,709.04x = 515,561.40 × 260,597.40
  4. Step 4: Simplify right side
    373,709.04x = 134,353,960,380.36
  5. Step 5: Solve for x
    x = 134,353,960,380.36/373,709.04
  6. Step 6: Final answer
    x = 359,514.88

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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.