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Finding the Fourth Proportional to 423,588.15, 584,256.65 and 359,484.48

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Solution

The fourth proportional to 423,588.15, 584,256.65 and 359,484.48 is: 495,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,588.15 : 584,256.65 = 359,484.48 : x
  2. Step 2: Convert to fraction form
    423,588.15/584,256.65 = 359,484.48/x
  3. Step 3: Cross multiply
    423,588.15x = 584,256.65 × 359,484.48
  4. Step 4: Simplify right side
    423,588.15x = 210,031,196,214.37
  5. Step 5: Solve for x
    x = 210,031,196,214.37/423,588.15
  6. Step 6: Final answer
    x = 495,838.22

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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.