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Finding the Fourth Proportional to 435,642.01, 601,178.38 and 242,051.50

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Solution

The fourth proportional to 435,642.01, 601,178.38 and 242,051.50 is: 334,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,642.01 : 601,178.38 = 242,051.50 : x
  2. Step 2: Convert to fraction form
    435,642.01/601,178.38 = 242,051.50/x
  3. Step 3: Cross multiply
    435,642.01x = 601,178.38 × 242,051.50
  4. Step 4: Simplify right side
    435,642.01x = 145,516,128,646.57
  5. Step 5: Solve for x
    x = 145,516,128,646.57/435,642.01
  6. Step 6: Final answer
    x = 334,026.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.