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Finding the Fourth Proportional to 233,556.80, 349,055.52 and 170,509.76

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Solution

The fourth proportional to 233,556.80, 349,055.52 and 170,509.76 is: 254,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,556.80 : 349,055.52 = 170,509.76 : x
  2. Step 2: Convert to fraction form
    233,556.80/349,055.52 = 170,509.76/x
  3. Step 3: Cross multiply
    233,556.80x = 349,055.52 × 170,509.76
  4. Step 4: Simplify right side
    233,556.80x = 59,517,372,941.88
  5. Step 5: Solve for x
    x = 59,517,372,941.88/233,556.80
  6. Step 6: Final answer
    x = 254,830.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.