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Finding the Fourth Proportional to 595,741.80, 893,612.70 and 343,799.40

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Solution

The fourth proportional to 595,741.80, 893,612.70 and 343,799.40 is: 515,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,741.80 : 893,612.70 = 343,799.40 : x
  2. Step 2: Convert to fraction form
    595,741.80/893,612.70 = 343,799.40/x
  3. Step 3: Cross multiply
    595,741.80x = 893,612.70 × 343,799.40
  4. Step 4: Simplify right side
    595,741.80x = 307,223,510,092.38
  5. Step 5: Solve for x
    x = 307,223,510,092.38/595,741.80
  6. Step 6: Final answer
    x = 515,699.10

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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.