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Finding the Fourth Proportional to 357,648.32, 538,614.64 and 325,762.08

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Solution

The fourth proportional to 357,648.32, 538,614.64 and 325,762.08 is: 490,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,648.32 : 538,614.64 = 325,762.08 : x
  2. Step 2: Convert to fraction form
    357,648.32/538,614.64 = 325,762.08/x
  3. Step 3: Cross multiply
    357,648.32x = 538,614.64 × 325,762.08
  4. Step 4: Simplify right side
    357,648.32x = 175,460,225,444.85
  5. Step 5: Solve for x
    x = 175,460,225,444.85/357,648.32
  6. Step 6: Final answer
    x = 490,594.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.