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Finding the Fourth Proportional to 503,421.92, 754,953.06 and 166,400.36

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Solution

The fourth proportional to 503,421.92, 754,953.06 and 166,400.36 is: 249,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,421.92 : 754,953.06 = 166,400.36 : x
  2. Step 2: Convert to fraction form
    503,421.92/754,953.06 = 166,400.36/x
  3. Step 3: Cross multiply
    503,421.92x = 754,953.06 × 166,400.36
  4. Step 4: Simplify right side
    503,421.92x = 125,624,460,967.10
  5. Step 5: Solve for x
    x = 125,624,460,967.10/503,421.92
  6. Step 6: Final answer
    x = 249,541.10

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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.