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Finding the Fourth Proportional to 333,557.81, 460,385.42 and 260,816.79

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Solution

The fourth proportional to 333,557.81, 460,385.42 and 260,816.79 is: 359,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,557.81 : 460,385.42 = 260,816.79 : x
  2. Step 2: Convert to fraction form
    333,557.81/460,385.42 = 260,816.79/x
  3. Step 3: Cross multiply
    333,557.81x = 460,385.42 × 260,816.79
  4. Step 4: Simplify right side
    333,557.81x = 120,076,246,103.12
  5. Step 5: Solve for x
    x = 120,076,246,103.12/333,557.81
  6. Step 6: Final answer
    x = 359,986.32

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1.5x scale

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.