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Finding the Fourth Proportional to 236,462.40, 354,866.40 and 166,478.40

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Solution

The fourth proportional to 236,462.40, 354,866.40 and 166,478.40 is: 249,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,462.40 : 354,866.40 = 166,478.40 : x
  2. Step 2: Convert to fraction form
    236,462.40/354,866.40 = 166,478.40/x
  3. Step 3: Cross multiply
    236,462.40x = 354,866.40 × 166,478.40
  4. Step 4: Simplify right side
    236,462.40x = 59,077,590,485.76
  5. Step 5: Solve for x
    x = 59,077,590,485.76/236,462.40
  6. Step 6: Final answer
    x = 249,839.26

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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.