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Finding the Fourth Proportional to 503,507.30, 755,081.06 and 166,485.74

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Solution

The fourth proportional to 503,507.30, 755,081.06 and 166,485.74 is: 249,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,507.30 : 755,081.06 = 166,485.74 : x
  2. Step 2: Convert to fraction form
    503,507.30/755,081.06 = 166,485.74/x
  3. Step 3: Cross multiply
    503,507.30x = 755,081.06 × 166,485.74
  4. Step 4: Simplify right side
    503,507.30x = 125,710,224,426.25
  5. Step 5: Solve for x
    x = 125,710,224,426.25/503,507.30
  6. Step 6: Final answer
    x = 249,669.12

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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.