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Finding the Fourth Proportional to 653,240.34, 901,448.55 and 366,772.50

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Solution

The fourth proportional to 653,240.34, 901,448.55 and 366,772.50 is: 506,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,240.34 : 901,448.55 = 366,772.50 : x
  2. Step 2: Convert to fraction form
    653,240.34/901,448.55 = 366,772.50/x
  3. Step 3: Cross multiply
    653,240.34x = 901,448.55 × 366,772.50
  4. Step 4: Simplify right side
    653,240.34x = 330,626,538,304.88
  5. Step 5: Solve for x
    x = 330,626,538,304.88/653,240.34
  6. Step 6: Final answer
    x = 506,133.07

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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.