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Finding the Fourth Proportional to 652,364.64, 900,308.12 and 365,903.15

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Solution

The fourth proportional to 652,364.64, 900,308.12 and 365,903.15 is: 504,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,364.64 : 900,308.12 = 365,903.15 : x
  2. Step 2: Convert to fraction form
    652,364.64/900,308.12 = 365,903.15/x
  3. Step 3: Cross multiply
    652,364.64x = 900,308.12 × 365,903.15
  4. Step 4: Simplify right side
    652,364.64x = 329,425,570,747.52
  5. Step 5: Solve for x
    x = 329,425,570,747.52/652,364.64
  6. Step 6: Final answer
    x = 504,971.53

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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.