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Finding the Fourth Proportional to 535,506.35, 804,571.73 and 402,646.10

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Solution

The fourth proportional to 535,506.35, 804,571.73 and 402,646.10 is: 604,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,506.35 : 804,571.73 = 402,646.10 : x
  2. Step 2: Convert to fraction form
    535,506.35/804,571.73 = 402,646.10/x
  3. Step 3: Cross multiply
    535,506.35x = 804,571.73 × 402,646.10
  4. Step 4: Simplify right side
    535,506.35x = 323,957,669,254.75
  5. Step 5: Solve for x
    x = 323,957,669,254.75/535,506.35
  6. Step 6: Final answer
    x = 604,955.79

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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.