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Finding the Fourth Proportional to 537,655.60, 805,705.80 and 237,890.80

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Solution

The fourth proportional to 537,655.60, 805,705.80 and 237,890.80 is: 356,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,655.60 : 805,705.80 = 237,890.80 : x
  2. Step 2: Convert to fraction form
    537,655.60/805,705.80 = 237,890.80/x
  3. Step 3: Cross multiply
    537,655.60x = 805,705.80 × 237,890.80
  4. Step 4: Simplify right side
    537,655.60x = 191,669,997,326.64
  5. Step 5: Solve for x
    x = 191,669,997,326.64/537,655.60
  6. Step 6: Final answer
    x = 356,492.14

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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.