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Finding the Fourth Proportional to 535,008.42, 802,447.02 and 310,491

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Solution

The fourth proportional to 535,008.42, 802,447.02 and 310,491 is: 465,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,008.42 : 802,447.02 = 310,491 : x
  2. Step 2: Convert to fraction form
    535,008.42/802,447.02 = 310,491/x
  3. Step 3: Cross multiply
    535,008.42x = 802,447.02 × 310,491
  4. Step 4: Simplify right side
    535,008.42x = 249,152,577,686.82
  5. Step 5: Solve for x
    x = 249,152,577,686.82/535,008.42
  6. Step 6: Final answer
    x = 465,698.42

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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.