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Finding the Fourth Proportional to 610,412.70, 913,869.45 and 592,916.70

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Solution

The fourth proportional to 610,412.70, 913,869.45 and 592,916.70 is: 887,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,412.70 : 913,869.45 = 592,916.70 : x
  2. Step 2: Convert to fraction form
    610,412.70/913,869.45 = 592,916.70/x
  3. Step 3: Cross multiply
    610,412.70x = 913,869.45 × 592,916.70
  4. Step 4: Simplify right side
    610,412.70x = 541,848,458,524.82
  5. Step 5: Solve for x
    x = 541,848,458,524.82/610,412.70
  6. Step 6: Final answer
    x = 887,675.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.