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Finding the Fourth Proportional to 616,124.76, 850,191.03 and 344,186.81

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Solution

The fourth proportional to 616,124.76, 850,191.03 and 344,186.81 is: 474,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,124.76 : 850,191.03 = 344,186.81 : x
  2. Step 2: Convert to fraction form
    616,124.76/850,191.03 = 344,186.81/x
  3. Step 3: Cross multiply
    616,124.76x = 850,191.03 × 344,186.81
  4. Step 4: Simplify right side
    616,124.76x = 292,624,534,255.36
  5. Step 5: Solve for x
    x = 292,624,534,255.36/616,124.76
  6. Step 6: Final answer
    x = 474,943.64

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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.