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Finding the Fourth Proportional to 616,154.06, 850,295.20 and 336,756.90

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Solution

The fourth proportional to 616,154.06, 850,295.20 and 336,756.90 is: 464,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,154.06 : 850,295.20 = 336,756.90 : x
  2. Step 2: Convert to fraction form
    616,154.06/850,295.20 = 336,756.90/x
  3. Step 3: Cross multiply
    616,154.06x = 850,295.20 × 336,756.90
  4. Step 4: Simplify right side
    616,154.06x = 286,342,775,636.88
  5. Step 5: Solve for x
    x = 286,342,775,636.88/616,154.06
  6. Step 6: Final answer
    x = 464,725.94

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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.