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Finding the Fourth Proportional to 868,952.80, 1,303,429.20 and 603,232.30

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Solution

The fourth proportional to 868,952.80, 1,303,429.20 and 603,232.30 is: 904,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,952.80 : 1,303,429.20 = 603,232.30 : x
  2. Step 2: Convert to fraction form
    868,952.80/1,303,429.20 = 603,232.30/x
  3. Step 3: Cross multiply
    868,952.80x = 1,303,429.20 × 603,232.30
  4. Step 4: Simplify right side
    868,952.80x = 786,270,594,203.16
  5. Step 5: Solve for x
    x = 786,270,594,203.16/868,952.80
  6. Step 6: Final answer
    x = 904,848.45

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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.