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Finding the Fourth Proportional to 359,298.68, 495,973.88 and 216,031.04

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Solution

The fourth proportional to 359,298.68, 495,973.88 and 216,031.04 is: 298,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,298.68 : 495,973.88 = 216,031.04 : x
  2. Step 2: Convert to fraction form
    359,298.68/495,973.88 = 216,031.04/x
  3. Step 3: Cross multiply
    359,298.68x = 495,973.88 × 216,031.04
  4. Step 4: Simplify right side
    359,298.68x = 107,145,749,549.21
  5. Step 5: Solve for x
    x = 107,145,749,549.21/359,298.68
  6. Step 6: Final answer
    x = 298,208.03

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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.