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Finding the Fourth Proportional to 368,359.56, 508,300.56 and 207,270.36

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Solution

The fourth proportional to 368,359.56, 508,300.56 and 207,270.36 is: 286,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,359.56 : 508,300.56 = 207,270.36 : x
  2. Step 2: Convert to fraction form
    368,359.56/508,300.56 = 207,270.36/x
  3. Step 3: Cross multiply
    368,359.56x = 508,300.56 × 207,270.36
  4. Step 4: Simplify right side
    368,359.56x = 105,355,640,059.40
  5. Step 5: Solve for x
    x = 105,355,640,059.40/368,359.56
  6. Step 6: Final answer
    x = 286,013.05

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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.