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Finding the Fourth Proportional to 434,133.78, 650,675.79 and 223,656.90

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Solution

The fourth proportional to 434,133.78, 650,675.79 and 223,656.90 is: 335,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,133.78 : 650,675.79 = 223,656.90 : x
  2. Step 2: Convert to fraction form
    434,133.78/650,675.79 = 223,656.90/x
  3. Step 3: Cross multiply
    434,133.78x = 650,675.79 × 223,656.90
  4. Step 4: Simplify right side
    434,133.78x = 145,528,130,096.45
  5. Step 5: Solve for x
    x = 145,528,130,096.45/434,133.78
  6. Step 6: Final answer
    x = 335,214.94

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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.