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Finding the Fourth Proportional to 615,370.24, 849,210.48 and 347,098.24

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Solution

The fourth proportional to 615,370.24, 849,210.48 and 347,098.24 is: 478,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,370.24 : 849,210.48 = 347,098.24 : x
  2. Step 2: Convert to fraction form
    615,370.24/849,210.48 = 347,098.24/x
  3. Step 3: Cross multiply
    615,370.24x = 849,210.48 × 347,098.24
  4. Step 4: Simplify right side
    615,370.24x = 294,759,462,997.56
  5. Step 5: Solve for x
    x = 294,759,462,997.56/615,370.24
  6. Step 6: Final answer
    x = 478,995.32

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Similar ratio
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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.