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Finding the Fourth Proportional to 485,203.14, 724,392.96 and 370,751.94

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Solution

The fourth proportional to 485,203.14, 724,392.96 and 370,751.94 is: 553,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,203.14 : 724,392.96 = 370,751.94 : x
  2. Step 2: Convert to fraction form
    485,203.14/724,392.96 = 370,751.94/x
  3. Step 3: Cross multiply
    485,203.14x = 724,392.96 × 370,751.94
  4. Step 4: Simplify right side
    485,203.14x = 268,570,095,242.34
  5. Step 5: Solve for x
    x = 268,570,095,242.34/485,203.14
  6. Step 6: Final answer
    x = 553,520.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.