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Finding the Fourth Proportional to 797,490, 1,100,521.08 and 434,916.72

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Solution

The fourth proportional to 797,490, 1,100,521.08 and 434,916.72 is: 600,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,490 : 1,100,521.08 = 434,916.72 : x
  2. Step 2: Convert to fraction form
    797,490/1,100,521.08 = 434,916.72/x
  3. Step 3: Cross multiply
    797,490x = 1,100,521.08 × 434,916.72
  4. Step 4: Simplify right side
    797,490x = 478,635,018,404.46
  5. Step 5: Solve for x
    x = 478,635,018,404.46/797,490
  6. Step 6: Final answer
    x = 600,176.83

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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.