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Finding the Fourth Proportional to 616,117.40, 850,211.62 and 344,131.16

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Solution

The fourth proportional to 616,117.40, 850,211.62 and 344,131.16 is: 474,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,117.40 : 850,211.62 = 344,131.16 : x
  2. Step 2: Convert to fraction form
    616,117.40/850,211.62 = 344,131.16/x
  3. Step 3: Cross multiply
    616,117.40x = 850,211.62 × 344,131.16
  4. Step 4: Simplify right side
    616,117.40x = 292,584,311,036.08
  5. Step 5: Solve for x
    x = 292,584,311,036.08/616,117.40
  6. Step 6: Final answer
    x = 474,884.03

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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.