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Finding the Fourth Proportional to 581,513.54, 872,270.50 and 239,951.98

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Solution

The fourth proportional to 581,513.54, 872,270.50 and 239,951.98 is: 359,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,513.54 : 872,270.50 = 239,951.98 : x
  2. Step 2: Convert to fraction form
    581,513.54/872,270.50 = 239,951.98/x
  3. Step 3: Cross multiply
    581,513.54x = 872,270.50 × 239,951.98
  4. Step 4: Simplify right side
    581,513.54x = 209,303,033,570.59
  5. Step 5: Solve for x
    x = 209,303,033,570.59/581,513.54
  6. Step 6: Final answer
    x = 359,928.05

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1.5x scale

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.