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Finding the Fourth Proportional to 484,729.60, 727,094.40 and 335,430.40

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Solution

The fourth proportional to 484,729.60, 727,094.40 and 335,430.40 is: 503,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,729.60 : 727,094.40 = 335,430.40 : x
  2. Step 2: Convert to fraction form
    484,729.60/727,094.40 = 335,430.40/x
  3. Step 3: Cross multiply
    484,729.60x = 727,094.40 × 335,430.40
  4. Step 4: Simplify right side
    484,729.60x = 243,889,565,429.76
  5. Step 5: Solve for x
    x = 243,889,565,429.76/484,729.60
  6. Step 6: Final answer
    x = 503,145.60

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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.