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Finding the Fourth Proportional to 259,646.80, 364,030.40 and 259,646.80

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Solution

The fourth proportional to 259,646.80, 364,030.40 and 259,646.80 is: 364,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,646.80 : 364,030.40 = 259,646.80 : x
  2. Step 2: Convert to fraction form
    259,646.80/364,030.40 = 259,646.80/x
  3. Step 3: Cross multiply
    259,646.80x = 364,030.40 × 259,646.80
  4. Step 4: Simplify right side
    259,646.80x = 94,519,328,462.72
  5. Step 5: Solve for x
    x = 94,519,328,462.72/259,646.80
  6. Step 6: Final answer
    x = 364,030.40

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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.