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Finding the Fourth Proportional to 524,239.32, 723,428.82 and 294,790.08

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Solution

The fourth proportional to 524,239.32, 723,428.82 and 294,790.08 is: 406,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,239.32 : 723,428.82 = 294,790.08 : x
  2. Step 2: Convert to fraction form
    524,239.32/723,428.82 = 294,790.08/x
  3. Step 3: Cross multiply
    524,239.32x = 723,428.82 × 294,790.08
  4. Step 4: Simplify right side
    524,239.32x = 213,259,639,722.11
  5. Step 5: Solve for x
    x = 213,259,639,722.11/524,239.32
  6. Step 6: Final answer
    x = 406,798.25

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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.