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Finding the Fourth Proportional to 359,246.80, 539,453.40 and 201,782.80

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Solution

The fourth proportional to 359,246.80, 539,453.40 and 201,782.80 is: 303,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,246.80 : 539,453.40 = 201,782.80 : x
  2. Step 2: Convert to fraction form
    359,246.80/539,453.40 = 201,782.80/x
  3. Step 3: Cross multiply
    359,246.80x = 539,453.40 × 201,782.80
  4. Step 4: Simplify right side
    359,246.80x = 108,852,417,521.52
  5. Step 5: Solve for x
    x = 108,852,417,521.52/359,246.80
  6. Step 6: Final answer
    x = 303,001.77

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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.