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Finding the Fourth Proportional to 525,104.10, 788,606.55 and 459,785.70

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Solution

The fourth proportional to 525,104.10, 788,606.55 and 459,785.70 is: 690,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,104.10 : 788,606.55 = 459,785.70 : x
  2. Step 2: Convert to fraction form
    525,104.10/788,606.55 = 459,785.70/x
  3. Step 3: Cross multiply
    525,104.10x = 788,606.55 × 459,785.70
  4. Step 4: Simplify right side
    525,104.10x = 362,590,014,616.34
  5. Step 5: Solve for x
    x = 362,590,014,616.34/525,104.10
  6. Step 6: Final answer
    x = 690,510.73

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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.