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Finding the Fourth Proportional to 612,848.05, 918,638.06 and 233,666.77

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Solution

The fourth proportional to 612,848.05, 918,638.06 and 233,666.77 is: 350,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,848.05 : 918,638.06 = 233,666.77 : x
  2. Step 2: Convert to fraction form
    612,848.05/918,638.06 = 233,666.77/x
  3. Step 3: Cross multiply
    612,848.05x = 918,638.06 × 233,666.77
  4. Step 4: Simplify right side
    612,848.05x = 214,655,187,110.93
  5. Step 5: Solve for x
    x = 214,655,187,110.93/612,848.05
  6. Step 6: Final answer
    x = 350,258.42

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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.