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Finding the Fourth Proportional to 526,654.56, 785,932 and 470,667.36

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Solution

The fourth proportional to 526,654.56, 785,932 and 470,667.36 is: 702,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,654.56 : 785,932 = 470,667.36 : x
  2. Step 2: Convert to fraction form
    526,654.56/785,932 = 470,667.36/x
  3. Step 3: Cross multiply
    526,654.56x = 785,932 × 470,667.36
  4. Step 4: Simplify right side
    526,654.56x = 369,912,539,579.52
  5. Step 5: Solve for x
    x = 369,912,539,579.52/526,654.56
  6. Step 6: Final answer
    x = 702,381.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.