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Finding the Fourth Proportional to 908,579, 1,253,864.94 and 506,196.92

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Solution

The fourth proportional to 908,579, 1,253,864.94 and 506,196.92 is: 698,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,579 : 1,253,864.94 = 506,196.92 : x
  2. Step 2: Convert to fraction form
    908,579/1,253,864.94 = 506,196.92/x
  3. Step 3: Cross multiply
    908,579x = 1,253,864.94 × 506,196.92
  4. Step 4: Simplify right side
    908,579x = 634,702,570,723.99
  5. Step 5: Solve for x
    x = 634,702,570,723.99/908,579
  6. Step 6: Final answer
    x = 698,566.19

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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.