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Finding the Fourth Proportional to 333,367.01, 459,123.34 and 288,030.50

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Solution

The fourth proportional to 333,367.01, 459,123.34 and 288,030.50 is: 396,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,367.01 : 459,123.34 = 288,030.50 : x
  2. Step 2: Convert to fraction form
    333,367.01/459,123.34 = 288,030.50/x
  3. Step 3: Cross multiply
    333,367.01x = 459,123.34 × 288,030.50
  4. Step 4: Simplify right side
    333,367.01x = 132,241,524,427.95
  5. Step 5: Solve for x
    x = 132,241,524,427.95/333,367.01
  6. Step 6: Final answer
    x = 396,684.50

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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.