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Finding the Fourth Proportional to 677,543.16, 935,026.02 and 371,632.08

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Solution

The fourth proportional to 677,543.16, 935,026.02 and 371,632.08 is: 512,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,543.16 : 935,026.02 = 371,632.08 : x
  2. Step 2: Convert to fraction form
    677,543.16/935,026.02 = 371,632.08/x
  3. Step 3: Cross multiply
    677,543.16x = 935,026.02 × 371,632.08
  4. Step 4: Simplify right side
    677,543.16x = 347,485,664,666.72
  5. Step 5: Solve for x
    x = 347,485,664,666.72/677,543.16
  6. Step 6: Final answer
    x = 512,861.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.