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Finding the Fourth Proportional to 506,952, 699,594.39 and 315,965.25

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Solution

The fourth proportional to 506,952, 699,594.39 and 315,965.25 is: 436,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,952 : 699,594.39 = 315,965.25 : x
  2. Step 2: Convert to fraction form
    506,952/699,594.39 = 315,965.25/x
  3. Step 3: Cross multiply
    506,952x = 699,594.39 × 315,965.25
  4. Step 4: Simplify right side
    506,952x = 221,047,516,334.95
  5. Step 5: Solve for x
    x = 221,047,516,334.95/506,952
  6. Step 6: Final answer
    x = 436,032.44

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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.