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Finding the Fourth Proportional to 524,421.62, 723,700.29 and 298,110.74

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Solution

The fourth proportional to 524,421.62, 723,700.29 and 298,110.74 is: 411,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,421.62 : 723,700.29 = 298,110.74 : x
  2. Step 2: Convert to fraction form
    524,421.62/723,700.29 = 298,110.74/x
  3. Step 3: Cross multiply
    524,421.62x = 723,700.29 × 298,110.74
  4. Step 4: Simplify right side
    524,421.62x = 215,742,828,990.12
  5. Step 5: Solve for x
    x = 215,742,828,990.12/524,421.62
  6. Step 6: Final answer
    x = 411,391.94

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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.