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Finding the Fourth Proportional to 384,293.49, 575,669.12 and 352,903.16

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Solution

The fourth proportional to 384,293.49, 575,669.12 and 352,903.16 is: 528,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,293.49 : 575,669.12 = 352,903.16 : x
  2. Step 2: Convert to fraction form
    384,293.49/575,669.12 = 352,903.16/x
  3. Step 3: Cross multiply
    384,293.49x = 575,669.12 × 352,903.16
  4. Step 4: Simplify right side
    384,293.49x = 203,155,446,919.56
  5. Step 5: Solve for x
    x = 203,155,446,919.56/384,293.49
  6. Step 6: Final answer
    x = 528,646.60

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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.