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Finding the Fourth Proportional to 506,369.48, 698,233.44 and 325,012.90

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Solution

The fourth proportional to 506,369.48, 698,233.44 and 325,012.90 is: 448,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,369.48 : 698,233.44 = 325,012.90 : x
  2. Step 2: Convert to fraction form
    506,369.48/698,233.44 = 325,012.90/x
  3. Step 3: Cross multiply
    506,369.48x = 698,233.44 × 325,012.90
  4. Step 4: Simplify right side
    506,369.48x = 226,934,875,211.38
  5. Step 5: Solve for x
    x = 226,934,875,211.38/506,369.48
  6. Step 6: Final answer
    x = 448,160.65

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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.