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Finding the Fourth Proportional to 543,962.86, 816,071.96 and 534,925.64

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Solution

The fourth proportional to 543,962.86, 816,071.96 and 534,925.64 is: 802,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,962.86 : 816,071.96 = 534,925.64 : x
  2. Step 2: Convert to fraction form
    543,962.86/816,071.96 = 534,925.64/x
  3. Step 3: Cross multiply
    543,962.86x = 816,071.96 × 534,925.64
  4. Step 4: Simplify right side
    543,962.86x = 436,537,814,276.14
  5. Step 5: Solve for x
    x = 436,537,814,276.14/543,962.86
  6. Step 6: Final answer
    x = 802,514.01

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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.