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Finding the Fourth Proportional to 320,950.20, 442,918.20 and 175,762.08

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Solution

The fourth proportional to 320,950.20, 442,918.20 and 175,762.08 is: 242,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,950.20 : 442,918.20 = 175,762.08 : x
  2. Step 2: Convert to fraction form
    320,950.20/442,918.20 = 175,762.08/x
  3. Step 3: Cross multiply
    320,950.20x = 442,918.20 × 175,762.08
  4. Step 4: Simplify right side
    320,950.20x = 77,848,224,101.86
  5. Step 5: Solve for x
    x = 77,848,224,101.86/320,950.20
  6. Step 6: Final answer
    x = 242,555.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.