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Finding the Fourth Proportional to 301,356.64, 450,955.65 and 260,970.04

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Solution

The fourth proportional to 301,356.64, 450,955.65 and 260,970.04 is: 390,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,356.64 : 450,955.65 = 260,970.04 : x
  2. Step 2: Convert to fraction form
    301,356.64/450,955.65 = 260,970.04/x
  3. Step 3: Cross multiply
    301,356.64x = 450,955.65 × 260,970.04
  4. Step 4: Simplify right side
    301,356.64x = 117,685,914,018.73
  5. Step 5: Solve for x
    x = 117,685,914,018.73/301,356.64
  6. Step 6: Final answer
    x = 390,520.39

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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.