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Finding the Fourth Proportional to 612,850.05, 918,641.05 and 233,668.77

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Solution

The fourth proportional to 612,850.05, 918,641.05 and 233,668.77 is: 350,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,850.05 : 918,641.05 = 233,668.77 : x
  2. Step 2: Convert to fraction form
    612,850.05/918,641.05 = 233,668.77/x
  3. Step 3: Cross multiply
    612,850.05x = 918,641.05 × 233,668.77
  4. Step 4: Simplify right side
    612,850.05x = 214,657,724,225.01
  5. Step 5: Solve for x
    x = 214,657,724,225.01/612,850.05
  6. Step 6: Final answer
    x = 350,261.41

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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.