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Finding the Fourth Proportional to 333,364.07, 500,326.43 and 312,345.15

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Solution

The fourth proportional to 333,364.07, 500,326.43 and 312,345.15 is: 468,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,364.07 : 500,326.43 = 312,345.15 : x
  2. Step 2: Convert to fraction form
    333,364.07/500,326.43 = 312,345.15/x
  3. Step 3: Cross multiply
    333,364.07x = 500,326.43 × 312,345.15
  4. Step 4: Simplify right side
    333,364.07x = 156,274,532,265.59
  5. Step 5: Solve for x
    x = 156,274,532,265.59/333,364.07
  6. Step 6: Final answer
    x = 468,780.38

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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.