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Finding the Fourth Proportional to 653,437.65, 901,764.12 and 366,963.87

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Solution

The fourth proportional to 653,437.65, 901,764.12 and 366,963.87 is: 506,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,437.65 : 901,764.12 = 366,963.87 : x
  2. Step 2: Convert to fraction form
    653,437.65/901,764.12 = 366,963.87/x
  3. Step 3: Cross multiply
    653,437.65x = 901,764.12 × 366,963.87
  4. Step 4: Simplify right side
    653,437.65x = 330,914,851,302.34
  5. Step 5: Solve for x
    x = 330,914,851,302.34/653,437.65
  6. Step 6: Final answer
    x = 506,421.46

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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.