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Finding the Fourth Proportional to 501,424.16, 751,429.08 and 276,885.68

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Solution

The fourth proportional to 501,424.16, 751,429.08 and 276,885.68 is: 414,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,424.16 : 751,429.08 = 276,885.68 : x
  2. Step 2: Convert to fraction form
    501,424.16/751,429.08 = 276,885.68/x
  3. Step 3: Cross multiply
    501,424.16x = 751,429.08 × 276,885.68
  4. Step 4: Simplify right side
    501,424.16x = 208,059,948,030.43
  5. Step 5: Solve for x
    x = 208,059,948,030.43/501,424.16
  6. Step 6: Final answer
    x = 414,938.02

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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.