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Finding the Fourth Proportional to 483,319.71, 666,980.93 and 268,479.77

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Solution

The fourth proportional to 483,319.71, 666,980.93 and 268,479.77 is: 370,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,319.71 : 666,980.93 = 268,479.77 : x
  2. Step 2: Convert to fraction form
    483,319.71/666,980.93 = 268,479.77/x
  3. Step 3: Cross multiply
    483,319.71x = 666,980.93 × 268,479.77
  4. Step 4: Simplify right side
    483,319.71x = 179,070,884,017.08
  5. Step 5: Solve for x
    x = 179,070,884,017.08/483,319.71
  6. Step 6: Final answer
    x = 370,501.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.