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Finding the Fourth Proportional to 616,182.40, 850,301.28 and 344,196.32

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Solution

The fourth proportional to 616,182.40, 850,301.28 and 344,196.32 is: 474,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,182.40 : 850,301.28 = 344,196.32 : x
  2. Step 2: Convert to fraction form
    616,182.40/850,301.28 = 344,196.32/x
  3. Step 3: Cross multiply
    616,182.40x = 850,301.28 × 344,196.32
  4. Step 4: Simplify right side
    616,182.40x = 292,670,571,467.29
  5. Step 5: Solve for x
    x = 292,670,571,467.29/616,182.40
  6. Step 6: Final answer
    x = 474,973.92

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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.