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Finding the Fourth Proportional to 429,707.28, 592,733.28 and 255,159.12

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Solution

The fourth proportional to 429,707.28, 592,733.28 and 255,159.12 is: 351,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,707.28 : 592,733.28 = 255,159.12 : x
  2. Step 2: Convert to fraction form
    429,707.28/592,733.28 = 255,159.12/x
  3. Step 3: Cross multiply
    429,707.28x = 592,733.28 × 255,159.12
  4. Step 4: Simplify right side
    429,707.28x = 151,241,302,119.51
  5. Step 5: Solve for x
    x = 151,241,302,119.51/429,707.28
  6. Step 6: Final answer
    x = 351,963.56

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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.