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Finding the Fourth Proportional to 389,810.32, 584,715.48 and 94,322.32

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Solution

The fourth proportional to 389,810.32, 584,715.48 and 94,322.32 is: 141,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,810.32 : 584,715.48 = 94,322.32 : x
  2. Step 2: Convert to fraction form
    389,810.32/584,715.48 = 94,322.32/x
  3. Step 3: Cross multiply
    389,810.32x = 584,715.48 × 94,322.32
  4. Step 4: Simplify right side
    389,810.32x = 55,151,720,613.51
  5. Step 5: Solve for x
    x = 55,151,720,613.51/389,810.32
  6. Step 6: Final answer
    x = 141,483.48

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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.