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Finding the Fourth Proportional to 383,950.35, 575,477.01 and 288,875.01

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Solution

The fourth proportional to 383,950.35, 575,477.01 and 288,875.01 is: 432,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,950.35 : 575,477.01 = 288,875.01 : x
  2. Step 2: Convert to fraction form
    383,950.35/575,477.01 = 288,875.01/x
  3. Step 3: Cross multiply
    383,950.35x = 575,477.01 × 288,875.01
  4. Step 4: Simplify right side
    383,950.35x = 166,240,927,018.52
  5. Step 5: Solve for x
    x = 166,240,927,018.52/383,950.35
  6. Step 6: Final answer
    x = 432,975.06

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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.