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Finding the Fourth Proportional to 259,315.60, 388,973.40 and 62,323.60

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Solution

The fourth proportional to 259,315.60, 388,973.40 and 62,323.60 is: 93,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,315.60 : 388,973.40 = 62,323.60 : x
  2. Step 2: Convert to fraction form
    259,315.60/388,973.40 = 62,323.60/x
  3. Step 3: Cross multiply
    259,315.60x = 388,973.40 × 62,323.60
  4. Step 4: Simplify right side
    259,315.60x = 24,242,222,592.24
  5. Step 5: Solve for x
    x = 24,242,222,592.24/259,315.60
  6. Step 6: Final answer
    x = 93,485.40

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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.