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Finding the Fourth Proportional to 572,436.02, 857,643.65 and 347,339.34

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Solution

The fourth proportional to 572,436.02, 857,643.65 and 347,339.34 is: 520,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,436.02 : 857,643.65 = 347,339.34 : x
  2. Step 2: Convert to fraction form
    572,436.02/857,643.65 = 347,339.34/x
  3. Step 3: Cross multiply
    572,436.02x = 857,643.65 × 347,339.34
  4. Step 4: Simplify right side
    572,436.02x = 297,893,377,609.49
  5. Step 5: Solve for x
    x = 297,893,377,609.49/572,436.02
  6. Step 6: Final answer
    x = 520,395.94

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Double scale
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Similar ratio
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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.