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Finding the Fourth Proportional to 362,705.80, 544,058.70 and 359,206.60

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Solution

The fourth proportional to 362,705.80, 544,058.70 and 359,206.60 is: 538,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,705.80 : 544,058.70 = 359,206.60 : x
  2. Step 2: Convert to fraction form
    362,705.80/544,058.70 = 359,206.60/x
  3. Step 3: Cross multiply
    362,705.80x = 544,058.70 × 359,206.60
  4. Step 4: Simplify right side
    362,705.80x = 195,429,475,827.42
  5. Step 5: Solve for x
    x = 195,429,475,827.42/362,705.80
  6. Step 6: Final answer
    x = 538,809.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.