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Finding the Fourth Proportional to 359,417.07, 539,033.34 and 106,637.76

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Solution

The fourth proportional to 359,417.07, 539,033.34 and 106,637.76 is: 159,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,417.07 : 539,033.34 = 106,637.76 : x
  2. Step 2: Convert to fraction form
    359,417.07/539,033.34 = 106,637.76/x
  3. Step 3: Cross multiply
    359,417.07x = 539,033.34 × 106,637.76
  4. Step 4: Simplify right side
    359,417.07x = 57,481,307,942.92
  5. Step 5: Solve for x
    x = 57,481,307,942.92/359,417.07
  6. Step 6: Final answer
    x = 159,929.27

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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.