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Finding the Fourth Proportional to 653,530.28, 901,821.30 and 366,995.00

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Solution

The fourth proportional to 653,530.28, 901,821.30 and 366,995.00 is: 506,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,530.28 : 901,821.30 = 366,995.00 : x
  2. Step 2: Convert to fraction form
    653,530.28/901,821.30 = 366,995.00/x
  3. Step 3: Cross multiply
    653,530.28x = 901,821.30 × 366,995.00
  4. Step 4: Simplify right side
    653,530.28x = 330,963,908,871.82
  5. Step 5: Solve for x
    x = 330,963,908,871.82/653,530.28
  6. Step 6: Final answer
    x = 506,424.75

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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.