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Finding the Fourth Proportional to 614,480.56, 921,770.06 and 470,593.78

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Solution

The fourth proportional to 614,480.56, 921,770.06 and 470,593.78 is: 705,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,480.56 : 921,770.06 = 470,593.78 : x
  2. Step 2: Convert to fraction form
    614,480.56/921,770.06 = 470,593.78/x
  3. Step 3: Cross multiply
    614,480.56x = 921,770.06 × 470,593.78
  4. Step 4: Simplify right side
    614,480.56x = 433,779,252,168.83
  5. Step 5: Solve for x
    x = 433,779,252,168.83/614,480.56
  6. Step 6: Final answer
    x = 705,928.36

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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.