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Finding the Fourth Proportional to 692,360.90, 1,036,728.30 and 556,703.90

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Solution

The fourth proportional to 692,360.90, 1,036,728.30 and 556,703.90 is: 833,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,360.90 : 1,036,728.30 = 556,703.90 : x
  2. Step 2: Convert to fraction form
    692,360.90/1,036,728.30 = 556,703.90/x
  3. Step 3: Cross multiply
    692,360.90x = 1,036,728.30 × 556,703.90
  4. Step 4: Simplify right side
    692,360.90x = 577,150,687,850.37
  5. Step 5: Solve for x
    x = 577,150,687,850.37/692,360.90
  6. Step 6: Final answer
    x = 833,598.04

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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.