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Finding the Fourth Proportional to 875,957.60, 1,313,207.40 and 370,906.40

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Solution

The fourth proportional to 875,957.60, 1,313,207.40 and 370,906.40 is: 556,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,957.60 : 1,313,207.40 = 370,906.40 : x
  2. Step 2: Convert to fraction form
    875,957.60/1,313,207.40 = 370,906.40/x
  3. Step 3: Cross multiply
    875,957.60x = 1,313,207.40 × 370,906.40
  4. Step 4: Simplify right side
    875,957.60x = 487,077,029,187.36
  5. Step 5: Solve for x
    x = 487,077,029,187.36/875,957.60
  6. Step 6: Final answer
    x = 556,050.92

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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.