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Finding the Fourth Proportional to 473,796, 710,817.12 and 141,372

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Solution

The fourth proportional to 473,796, 710,817.12 and 141,372 is: 212,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,796 : 710,817.12 = 141,372 : x
  2. Step 2: Convert to fraction form
    473,796/710,817.12 = 141,372/x
  3. Step 3: Cross multiply
    473,796x = 710,817.12 × 141,372
  4. Step 4: Simplify right side
    473,796x = 100,489,637,888.64
  5. Step 5: Solve for x
    x = 100,489,637,888.64/473,796
  6. Step 6: Final answer
    x = 212,094.74

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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.