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Finding the Fourth Proportional to 553,312.56, 829,998.36 and 174,262.92

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Solution

The fourth proportional to 553,312.56, 829,998.36 and 174,262.92 is: 261,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,312.56 : 829,998.36 = 174,262.92 : x
  2. Step 2: Convert to fraction form
    553,312.56/829,998.36 = 174,262.92/x
  3. Step 3: Cross multiply
    553,312.56x = 829,998.36 × 174,262.92
  4. Step 4: Simplify right side
    553,312.56x = 144,637,937,808.81
  5. Step 5: Solve for x
    x = 144,637,937,808.81/553,312.56
  6. Step 6: Final answer
    x = 261,403.68

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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.