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Finding the Fourth Proportional to 595,657.80, 893,486.70 and 343,715.40

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Solution

The fourth proportional to 595,657.80, 893,486.70 and 343,715.40 is: 515,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,657.80 : 893,486.70 = 343,715.40 : x
  2. Step 2: Convert to fraction form
    595,657.80/893,486.70 = 343,715.40/x
  3. Step 3: Cross multiply
    595,657.80x = 893,486.70 × 343,715.40
  4. Step 4: Simplify right side
    595,657.80x = 307,105,138,485.18
  5. Step 5: Solve for x
    x = 307,105,138,485.18/595,657.80
  6. Step 6: Final answer
    x = 515,573.10

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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.