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Finding the Fourth Proportional to 330,403, 495,602.88 and 93,746.12

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Solution

The fourth proportional to 330,403, 495,602.88 and 93,746.12 is: 140,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,403 : 495,602.88 = 93,746.12 : x
  2. Step 2: Convert to fraction form
    330,403/495,602.88 = 93,746.12/x
  3. Step 3: Cross multiply
    330,403x = 495,602.88 × 93,746.12
  4. Step 4: Simplify right side
    330,403x = 46,460,847,060.83
  5. Step 5: Solve for x
    x = 46,460,847,060.83/330,403
  6. Step 6: Final answer
    x = 140,618.72

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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.