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Finding the Fourth Proportional to 604,868.86, 907,359.81 and 178,405.10

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Solution

The fourth proportional to 604,868.86, 907,359.81 and 178,405.10 is: 267,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,868.86 : 907,359.81 = 178,405.10 : x
  2. Step 2: Convert to fraction form
    604,868.86/907,359.81 = 178,405.10/x
  3. Step 3: Cross multiply
    604,868.86x = 907,359.81 × 178,405.10
  4. Step 4: Simplify right side
    604,868.86x = 161,877,617,639.03
  5. Step 5: Solve for x
    x = 161,877,617,639.03/604,868.86
  6. Step 6: Final answer
    x = 267,624.32

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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.