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Finding the Fourth Proportional to 357,551.68, 536,320.62 and 144,313.96

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Solution

The fourth proportional to 357,551.68, 536,320.62 and 144,313.96 is: 216,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,551.68 : 536,320.62 = 144,313.96 : x
  2. Step 2: Convert to fraction form
    357,551.68/536,320.62 = 144,313.96/x
  3. Step 3: Cross multiply
    357,551.68x = 536,320.62 × 144,313.96
  4. Step 4: Simplify right side
    357,551.68x = 77,398,552,501.86
  5. Step 5: Solve for x
    x = 77,398,552,501.86/357,551.68
  6. Step 6: Final answer
    x = 216,468.16

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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.