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Finding the Fourth Proportional to 611,577.02, 917,375.10 and 185,117.51

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Solution

The fourth proportional to 611,577.02, 917,375.10 and 185,117.51 is: 277,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,577.02 : 917,375.10 = 185,117.51 : x
  2. Step 2: Convert to fraction form
    611,577.02/917,375.10 = 185,117.51/x
  3. Step 3: Cross multiply
    611,577.02x = 917,375.10 × 185,117.51
  4. Step 4: Simplify right side
    611,577.02x = 169,822,194,248.00
  5. Step 5: Solve for x
    x = 169,822,194,248.00/611,577.02
  6. Step 6: Final answer
    x = 277,679.16

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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.