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Finding the Fourth Proportional to 502,307.53, 692,783.48 and 330,402.04

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Solution

The fourth proportional to 502,307.53, 692,783.48 and 330,402.04 is: 455,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,307.53 : 692,783.48 = 330,402.04 : x
  2. Step 2: Convert to fraction form
    502,307.53/692,783.48 = 330,402.04/x
  3. Step 3: Cross multiply
    502,307.53x = 692,783.48 × 330,402.04
  4. Step 4: Simplify right side
    502,307.53x = 228,897,074,164.35
  5. Step 5: Solve for x
    x = 228,897,074,164.35/502,307.53
  6. Step 6: Final answer
    x = 455,691.11

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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.