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Finding the Fourth Proportional to 383,582.41, 575,352.76 and 117,342.93

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Solution

The fourth proportional to 383,582.41, 575,352.76 and 117,342.93 is: 176,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,582.41 : 575,352.76 = 117,342.93 : x
  2. Step 2: Convert to fraction form
    383,582.41/575,352.76 = 117,342.93/x
  3. Step 3: Cross multiply
    383,582.41x = 575,352.76 × 117,342.93
  4. Step 4: Simplify right side
    383,582.41x = 67,513,575,178.51
  5. Step 5: Solve for x
    x = 67,513,575,178.51/383,582.41
  6. Step 6: Final answer
    x = 176,008.01

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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.