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Finding the Fourth Proportional to 433,612.81, 597,988.14 and 372,338.20

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Solution

The fourth proportional to 433,612.81, 597,988.14 and 372,338.20 is: 513,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,612.81 : 597,988.14 = 372,338.20 : x
  2. Step 2: Convert to fraction form
    433,612.81/597,988.14 = 372,338.20/x
  3. Step 3: Cross multiply
    433,612.81x = 597,988.14 × 372,338.20
  4. Step 4: Simplify right side
    433,612.81x = 222,653,827,668.95
  5. Step 5: Solve for x
    x = 222,653,827,668.95/433,612.81
  6. Step 6: Final answer
    x = 513,485.35

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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.