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Finding the Fourth Proportional to 570,935.40, 856,403.10 and 535,943.40

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Solution

The fourth proportional to 570,935.40, 856,403.10 and 535,943.40 is: 803,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,935.40 : 856,403.10 = 535,943.40 : x
  2. Step 2: Convert to fraction form
    570,935.40/856,403.10 = 535,943.40/x
  3. Step 3: Cross multiply
    570,935.40x = 856,403.10 × 535,943.40
  4. Step 4: Simplify right side
    570,935.40x = 458,983,589,184.54
  5. Step 5: Solve for x
    x = 458,983,589,184.54/570,935.40
  6. Step 6: Final answer
    x = 803,915.10

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