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Finding the Fourth Proportional to 411,152.40, 616,728.60 and 366,051.60

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Solution

The fourth proportional to 411,152.40, 616,728.60 and 366,051.60 is: 549,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,152.40 : 616,728.60 = 366,051.60 : x
  2. Step 2: Convert to fraction form
    411,152.40/616,728.60 = 366,051.60/x
  3. Step 3: Cross multiply
    411,152.40x = 616,728.60 × 366,051.60
  4. Step 4: Simplify right side
    411,152.40x = 225,754,490,795.76
  5. Step 5: Solve for x
    x = 225,754,490,795.76/411,152.40
  6. Step 6: Final answer
    x = 549,077.40

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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.