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Finding the Fourth Proportional to 473,755.48, 710,510.10 and 136,720.96

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Solution

The fourth proportional to 473,755.48, 710,510.10 and 136,720.96 is: 205,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,755.48 : 710,510.10 = 136,720.96 : x
  2. Step 2: Convert to fraction form
    473,755.48/710,510.10 = 136,720.96/x
  3. Step 3: Cross multiply
    473,755.48x = 710,510.10 × 136,720.96
  4. Step 4: Simplify right side
    473,755.48x = 97,141,622,961.70
  5. Step 5: Solve for x
    x = 97,141,622,961.70/473,755.48
  6. Step 6: Final answer
    x = 205,045.91

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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.