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Finding the Fourth Proportional to 357,225.16, 535,463.58 and 120,486.28

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Solution

The fourth proportional to 357,225.16, 535,463.58 and 120,486.28 is: 180,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,225.16 : 535,463.58 = 120,486.28 : x
  2. Step 2: Convert to fraction form
    357,225.16/535,463.58 = 120,486.28/x
  3. Step 3: Cross multiply
    357,225.16x = 535,463.58 × 120,486.28
  4. Step 4: Simplify right side
    357,225.16x = 64,516,014,829.68
  5. Step 5: Solve for x
    x = 64,516,014,829.68/357,225.16
  6. Step 6: Final answer
    x = 180,603.22

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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.