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Finding the Fourth Proportional to 335,658.60, 503,487.90 and 235,931.40

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Solution

The fourth proportional to 335,658.60, 503,487.90 and 235,931.40 is: 353,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,658.60 : 503,487.90 = 235,931.40 : x
  2. Step 2: Convert to fraction form
    335,658.60/503,487.90 = 235,931.40/x
  3. Step 3: Cross multiply
    335,658.60x = 503,487.90 × 235,931.40
  4. Step 4: Simplify right side
    335,658.60x = 118,788,605,130.06
  5. Step 5: Solve for x
    x = 118,788,605,130.06/335,658.60
  6. Step 6: Final answer
    x = 353,897.10

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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.