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Finding the Fourth Proportional to 500,841.32, 750,929.81 and 163,763.87

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Solution

The fourth proportional to 500,841.32, 750,929.81 and 163,763.87 is: 245,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,841.32 : 750,929.81 = 163,763.87 : x
  2. Step 2: Convert to fraction form
    500,841.32/750,929.81 = 163,763.87/x
  3. Step 3: Cross multiply
    500,841.32x = 750,929.81 × 163,763.87
  4. Step 4: Simplify right side
    500,841.32x = 122,975,167,210.50
  5. Step 5: Solve for x
    x = 122,975,167,210.50/500,841.32
  6. Step 6: Final answer
    x = 245,537.19

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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.