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Finding the Fourth Proportional to 711,762.96, 1,066,538.52 and 448,554

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Solution

The fourth proportional to 711,762.96, 1,066,538.52 and 448,554 is: 672,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,762.96 : 1,066,538.52 = 448,554 : x
  2. Step 2: Convert to fraction form
    711,762.96/1,066,538.52 = 448,554/x
  3. Step 3: Cross multiply
    711,762.96x = 1,066,538.52 × 448,554
  4. Step 4: Simplify right side
    711,762.96x = 478,400,119,300.08
  5. Step 5: Solve for x
    x = 478,400,119,300.08/711,762.96
  6. Step 6: Final answer
    x = 672,134.05

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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.