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Finding the Fourth Proportional to 385,667.04, 532,222.58 and 213,590.64

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Solution

The fourth proportional to 385,667.04, 532,222.58 and 213,590.64 is: 294,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,667.04 : 532,222.58 = 213,590.64 : x
  2. Step 2: Convert to fraction form
    385,667.04/532,222.58 = 213,590.64/x
  3. Step 3: Cross multiply
    385,667.04x = 532,222.58 × 213,590.64
  4. Step 4: Simplify right side
    385,667.04x = 113,677,761,484.65
  5. Step 5: Solve for x
    x = 113,677,761,484.65/385,667.04
  6. Step 6: Final answer
    x = 294,756.23

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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.