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Finding the Fourth Proportional to 531,209.25, 733,068.78 and 292,745.25

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Solution

The fourth proportional to 531,209.25, 733,068.78 and 292,745.25 is: 403,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,209.25 : 733,068.78 = 292,745.25 : x
  2. Step 2: Convert to fraction form
    531,209.25/733,068.78 = 292,745.25/x
  3. Step 3: Cross multiply
    531,209.25x = 733,068.78 × 292,745.25
  4. Step 4: Simplify right side
    531,209.25x = 214,602,403,268.30
  5. Step 5: Solve for x
    x = 214,602,403,268.30/531,209.25
  6. Step 6: Final answer
    x = 403,988.45

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1.5x scale

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.