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Finding the Fourth Proportional to 534,178.80, 803,017.80 and 377,492.40

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Solution

The fourth proportional to 534,178.80, 803,017.80 and 377,492.40 is: 567,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,178.80 : 803,017.80 = 377,492.40 : x
  2. Step 2: Convert to fraction form
    534,178.80/803,017.80 = 377,492.40/x
  3. Step 3: Cross multiply
    534,178.80x = 803,017.80 × 377,492.40
  4. Step 4: Simplify right side
    534,178.80x = 303,133,116,564.72
  5. Step 5: Solve for x
    x = 303,133,116,564.72/534,178.80
  6. Step 6: Final answer
    x = 567,475.00

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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.