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Finding the Fourth Proportional to 359,548.08, 538,804.32 and 247,354.98

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Solution

The fourth proportional to 359,548.08, 538,804.32 and 247,354.98 is: 370,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,548.08 : 538,804.32 = 247,354.98 : x
  2. Step 2: Convert to fraction form
    359,548.08/538,804.32 = 247,354.98/x
  3. Step 3: Cross multiply
    359,548.08x = 538,804.32 × 247,354.98
  4. Step 4: Simplify right side
    359,548.08x = 133,275,931,797.51
  5. Step 5: Solve for x
    x = 133,275,931,797.51/359,548.08
  6. Step 6: Final answer
    x = 370,676.24

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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.