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Finding the Fourth Proportional to 265,225.80, 397,838.70 and 223,235.40

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Solution

The fourth proportional to 265,225.80, 397,838.70 and 223,235.40 is: 334,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,225.80 : 397,838.70 = 223,235.40 : x
  2. Step 2: Convert to fraction form
    265,225.80/397,838.70 = 223,235.40/x
  3. Step 3: Cross multiply
    265,225.80x = 397,838.70 × 223,235.40
  4. Step 4: Simplify right side
    265,225.80x = 88,811,681,329.98
  5. Step 5: Solve for x
    x = 88,811,681,329.98/265,225.80
  6. Step 6: Final answer
    x = 334,853.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.