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Finding the Fourth Proportional to 330,437.74, 495,649.58 and 105,798.82

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Solution

The fourth proportional to 330,437.74, 495,649.58 and 105,798.82 is: 158,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,437.74 : 495,649.58 = 105,798.82 : x
  2. Step 2: Convert to fraction form
    330,437.74/495,649.58 = 105,798.82/x
  3. Step 3: Cross multiply
    330,437.74x = 495,649.58 × 105,798.82
  4. Step 4: Simplify right side
    330,437.74x = 52,439,140,697.50
  5. Step 5: Solve for x
    x = 52,439,140,697.50/330,437.74
  6. Step 6: Final answer
    x = 158,695.98

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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.