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Finding the Fourth Proportional to 615,999.06, 850,069.67 and 344,070.77

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Solution

The fourth proportional to 615,999.06, 850,069.67 and 344,070.77 is: 474,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,999.06 : 850,069.67 = 344,070.77 : x
  2. Step 2: Convert to fraction form
    615,999.06/850,069.67 = 344,070.77/x
  3. Step 3: Cross multiply
    615,999.06x = 850,069.67 × 344,070.77
  4. Step 4: Simplify right side
    615,999.06x = 292,484,119,939.84
  5. Step 5: Solve for x
    x = 292,484,119,939.84/615,999.06
  6. Step 6: Final answer
    x = 474,812.61

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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.