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Finding the Fourth Proportional to 613,594.79, 920,455.02 and 234,834.06

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Solution

The fourth proportional to 613,594.79, 920,455.02 and 234,834.06 is: 352,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,594.79 : 920,455.02 = 234,834.06 : x
  2. Step 2: Convert to fraction form
    613,594.79/920,455.02 = 234,834.06/x
  3. Step 3: Cross multiply
    613,594.79x = 920,455.02 × 234,834.06
  4. Step 4: Simplify right side
    613,594.79x = 216,154,189,393.98
  5. Step 5: Solve for x
    x = 216,154,189,393.98/613,594.79
  6. Step 6: Final answer
    x = 352,275.14

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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.