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Finding the Fourth Proportional to 535,544.64, 802,050.40 and 465,040.80

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Solution

The fourth proportional to 535,544.64, 802,050.40 and 465,040.80 is: 696,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,544.64 : 802,050.40 = 465,040.80 : x
  2. Step 2: Convert to fraction form
    535,544.64/802,050.40 = 465,040.80/x
  3. Step 3: Cross multiply
    535,544.64x = 802,050.40 × 465,040.80
  4. Step 4: Simplify right side
    535,544.64x = 372,986,159,656.32
  5. Step 5: Solve for x
    x = 372,986,159,656.32/535,544.64
  6. Step 6: Final answer
    x = 696,461.38

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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.