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Finding the Fourth Proportional to 330,032.80, 495,000.60 and 93,399.40

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Solution

The fourth proportional to 330,032.80, 495,000.60 and 93,399.40 is: 140,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,032.80 : 495,000.60 = 93,399.40 : x
  2. Step 2: Convert to fraction form
    330,032.80/495,000.60 = 93,399.40/x
  3. Step 3: Cross multiply
    330,032.80x = 495,000.60 × 93,399.40
  4. Step 4: Simplify right side
    330,032.80x = 46,232,759,039.64
  5. Step 5: Solve for x
    x = 46,232,759,039.64/330,032.80
  6. Step 6: Final answer
    x = 140,085.35

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1.5x scale

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.