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Finding the Fourth Proportional to 598,985.66, 826,502.65 and 353,936.32

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Solution

The fourth proportional to 598,985.66, 826,502.65 and 353,936.32 is: 488,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,985.66 : 826,502.65 = 353,936.32 : x
  2. Step 2: Convert to fraction form
    598,985.66/826,502.65 = 353,936.32/x
  3. Step 3: Cross multiply
    598,985.66x = 826,502.65 × 353,936.32
  4. Step 4: Simplify right side
    598,985.66x = 292,529,303,460.15
  5. Step 5: Solve for x
    x = 292,529,303,460.15/598,985.66
  6. Step 6: Final answer
    x = 488,374.47

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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.