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Finding the Fourth Proportional to 633,012.80, 873,567.96 and 346,528.04

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Solution

The fourth proportional to 633,012.80, 873,567.96 and 346,528.04 is: 478,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,012.80 : 873,567.96 = 346,528.04 : x
  2. Step 2: Convert to fraction form
    633,012.80/873,567.96 = 346,528.04/x
  3. Step 3: Cross multiply
    633,012.80x = 873,567.96 × 346,528.04
  4. Step 4: Simplify right side
    633,012.80x = 302,715,792,985.60
  5. Step 5: Solve for x
    x = 302,715,792,985.60/633,012.80
  6. Step 6: Final answer
    x = 478,214.33

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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.