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Finding the Fourth Proportional to 610,525.65, 842,575.83 and 338,681.19

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Solution

The fourth proportional to 610,525.65, 842,575.83 and 338,681.19 is: 467,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,525.65 : 842,575.83 = 338,681.19 : x
  2. Step 2: Convert to fraction form
    610,525.65/842,575.83 = 338,681.19/x
  3. Step 3: Cross multiply
    610,525.65x = 842,575.83 × 338,681.19
  4. Step 4: Simplify right side
    610,525.65x = 285,364,584,769.64
  5. Step 5: Solve for x
    x = 285,364,584,769.64/610,525.65
  6. Step 6: Final answer
    x = 467,408.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.