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Finding the Fourth Proportional to 507,554.60, 761,271.10 and 133,607.08

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Solution

The fourth proportional to 507,554.60, 761,271.10 and 133,607.08 is: 200,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,554.60 : 761,271.10 = 133,607.08 : x
  2. Step 2: Convert to fraction form
    507,554.60/761,271.10 = 133,607.08/x
  3. Step 3: Cross multiply
    507,554.60x = 761,271.10 × 133,607.08
  4. Step 4: Simplify right side
    507,554.60x = 101,711,208,759.39
  5. Step 5: Solve for x
    x = 101,711,208,759.39/507,554.60
  6. Step 6: Final answer
    x = 200,394.62

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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.