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Finding the Fourth Proportional to 594,421.90, 820,392.27 and 379,704.98

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Solution

The fourth proportional to 594,421.90, 820,392.27 and 379,704.98 is: 524,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,421.90 : 820,392.27 = 379,704.98 : x
  2. Step 2: Convert to fraction form
    594,421.90/820,392.27 = 379,704.98/x
  3. Step 3: Cross multiply
    594,421.90x = 820,392.27 × 379,704.98
  4. Step 4: Simplify right side
    594,421.90x = 311,507,030,472.51
  5. Step 5: Solve for x
    x = 311,507,030,472.51/594,421.90
  6. Step 6: Final answer
    x = 524,050.39

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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.