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Finding the Fourth Proportional to 359,673.81, 496,349.91 and 198,528.92

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Solution

The fourth proportional to 359,673.81, 496,349.91 and 198,528.92 is: 273,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,673.81 : 496,349.91 = 198,528.92 : x
  2. Step 2: Convert to fraction form
    359,673.81/496,349.91 = 198,528.92/x
  3. Step 3: Cross multiply
    359,673.81x = 496,349.91 × 198,528.92
  4. Step 4: Simplify right side
    359,673.81x = 98,539,811,574.40
  5. Step 5: Solve for x
    x = 98,539,811,574.40/359,673.81
  6. Step 6: Final answer
    x = 273,969.94

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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.