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Finding the Fourth Proportional to 604,516.36, 834,457.14 and 519,291.40

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Solution

The fourth proportional to 604,516.36, 834,457.14 and 519,291.40 is: 716,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,516.36 : 834,457.14 = 519,291.40 : x
  2. Step 2: Convert to fraction form
    604,516.36/834,457.14 = 519,291.40/x
  3. Step 3: Cross multiply
    604,516.36x = 834,457.14 × 519,291.40
  4. Step 4: Simplify right side
    604,516.36x = 433,326,416,470.60
  5. Step 5: Solve for x
    x = 433,326,416,470.60/604,516.36
  6. Step 6: Final answer
    x = 716,815.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.