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Finding the Fourth Proportional to 537,477.60, 805,438.80 and 237,712.80

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Solution

The fourth proportional to 537,477.60, 805,438.80 and 237,712.80 is: 356,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,477.60 : 805,438.80 = 237,712.80 : x
  2. Step 2: Convert to fraction form
    537,477.60/805,438.80 = 237,712.80/x
  3. Step 3: Cross multiply
    537,477.60x = 805,438.80 × 237,712.80
  4. Step 4: Simplify right side
    537,477.60x = 191,463,112,376.64
  5. Step 5: Solve for x
    x = 191,463,112,376.64/537,477.60
  6. Step 6: Final answer
    x = 356,225.29

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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.