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Finding the Fourth Proportional to 604,941.60, 907,412.40 and 161,709.60

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Solution

The fourth proportional to 604,941.60, 907,412.40 and 161,709.60 is: 242,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,941.60 : 907,412.40 = 161,709.60 : x
  2. Step 2: Convert to fraction form
    604,941.60/907,412.40 = 161,709.60/x
  3. Step 3: Cross multiply
    604,941.60x = 907,412.40 × 161,709.60
  4. Step 4: Simplify right side
    604,941.60x = 146,737,296,239.04
  5. Step 5: Solve for x
    x = 146,737,296,239.04/604,941.60
  6. Step 6: Final answer
    x = 242,564.40

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Similar ratio
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1.5x scale

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.