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Finding the Fourth Proportional to 524,885.79, 724,365.42 and 295,457.88

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Solution

The fourth proportional to 524,885.79, 724,365.42 and 295,457.88 is: 407,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,885.79 : 724,365.42 = 295,457.88 : x
  2. Step 2: Convert to fraction form
    524,885.79/724,365.42 = 295,457.88/x
  3. Step 3: Cross multiply
    524,885.79x = 724,365.42 × 295,457.88
  4. Step 4: Simplify right side
    524,885.79x = 214,019,471,338.51
  5. Step 5: Solve for x
    x = 214,019,471,338.51/524,885.79
  6. Step 6: Final answer
    x = 407,744.84

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1.5x scale

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.