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Finding the Fourth Proportional to 301,708.80, 423,573.30 and 301,708.80

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Solution

The fourth proportional to 301,708.80, 423,573.30 and 301,708.80 is: 423,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,708.80 : 423,573.30 = 301,708.80 : x
  2. Step 2: Convert to fraction form
    301,708.80/423,573.30 = 301,708.80/x
  3. Step 3: Cross multiply
    301,708.80x = 423,573.30 × 301,708.80
  4. Step 4: Simplify right side
    301,708.80x = 127,795,792,055.04
  5. Step 5: Solve for x
    x = 127,795,792,055.04/301,708.80
  6. Step 6: Final answer
    x = 423,573.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.