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Finding the Fourth Proportional to 594,421.03, 820,300.89 and 339,777.69

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Solution

The fourth proportional to 594,421.03, 820,300.89 and 339,777.69 is: 468,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,421.03 : 820,300.89 = 339,777.69 : x
  2. Step 2: Convert to fraction form
    594,421.03/820,300.89 = 339,777.69/x
  3. Step 3: Cross multiply
    594,421.03x = 820,300.89 × 339,777.69
  4. Step 4: Simplify right side
    594,421.03x = 278,719,941,509.14
  5. Step 5: Solve for x
    x = 278,719,941,509.14/594,421.03
  6. Step 6: Final answer
    x = 468,893.14

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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.