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Finding the Fourth Proportional to 273,417.55, 377,316.12 and 152,558.80

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Solution

The fourth proportional to 273,417.55, 377,316.12 and 152,558.80 is: 210,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,417.55 : 377,316.12 = 152,558.80 : x
  2. Step 2: Convert to fraction form
    273,417.55/377,316.12 = 152,558.80/x
  3. Step 3: Cross multiply
    273,417.55x = 377,316.12 × 152,558.80
  4. Step 4: Simplify right side
    273,417.55x = 57,562,896,769.67
  5. Step 5: Solve for x
    x = 57,562,896,769.67/273,417.55
  6. Step 6: Final answer
    x = 210,531.10

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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.