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Finding the Fourth Proportional to 473,610.60, 710,156.70 and 192,810.60

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Solution

The fourth proportional to 473,610.60, 710,156.70 and 192,810.60 is: 289,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,610.60 : 710,156.70 = 192,810.60 : x
  2. Step 2: Convert to fraction form
    473,610.60/710,156.70 = 192,810.60/x
  3. Step 3: Cross multiply
    473,610.60x = 710,156.70 × 192,810.60
  4. Step 4: Simplify right side
    473,610.60x = 136,925,739,421.02
  5. Step 5: Solve for x
    x = 136,925,739,421.02/473,610.60
  6. Step 6: Final answer
    x = 289,110.38

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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.