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Finding the Fourth Proportional to 374,602.59, 516,509.87 and 302,760.45

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Solution

The fourth proportional to 374,602.59, 516,509.87 and 302,760.45 is: 417,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,602.59 : 516,509.87 = 302,760.45 : x
  2. Step 2: Convert to fraction form
    374,602.59/516,509.87 = 302,760.45/x
  3. Step 3: Cross multiply
    374,602.59x = 516,509.87 × 302,760.45
  4. Step 4: Simplify right side
    374,602.59x = 156,378,759,156.84
  5. Step 5: Solve for x
    x = 156,378,759,156.84/374,602.59
  6. Step 6: Final answer
    x = 417,452.42

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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.