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Finding the Fourth Proportional to 330,263.09, 495,437.70 and 93,611.93

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Solution

The fourth proportional to 330,263.09, 495,437.70 and 93,611.93 is: 140,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,263.09 : 495,437.70 = 93,611.93 : x
  2. Step 2: Convert to fraction form
    330,263.09/495,437.70 = 93,611.93/x
  3. Step 3: Cross multiply
    330,263.09x = 495,437.70 × 93,611.93
  4. Step 4: Simplify right side
    330,263.09x = 46,378,879,291.76
  5. Step 5: Solve for x
    x = 46,378,879,291.76/330,263.09
  6. Step 6: Final answer
    x = 140,430.10

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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.