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Finding the Fourth Proportional to 550,374.15, 825,561.23 and 507,071.55

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Solution

The fourth proportional to 550,374.15, 825,561.23 and 507,071.55 is: 760,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,374.15 : 825,561.23 = 507,071.55 : x
  2. Step 2: Convert to fraction form
    550,374.15/825,561.23 = 507,071.55/x
  3. Step 3: Cross multiply
    550,374.15x = 825,561.23 × 507,071.55
  4. Step 4: Simplify right side
    550,374.15x = 418,618,609,980.65
  5. Step 5: Solve for x
    x = 418,618,609,980.65/550,374.15
  6. Step 6: Final answer
    x = 760,607.33

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Double scale
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Similar ratio
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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.