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Finding the Fourth Proportional to 562,089.96, 775,678.50 and 307,446.12

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Solution

The fourth proportional to 562,089.96, 775,678.50 and 307,446.12 is: 424,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,089.96 : 775,678.50 = 307,446.12 : x
  2. Step 2: Convert to fraction form
    562,089.96/775,678.50 = 307,446.12/x
  3. Step 3: Cross multiply
    562,089.96x = 775,678.50 × 307,446.12
  4. Step 4: Simplify right side
    562,089.96x = 238,479,345,192.42
  5. Step 5: Solve for x
    x = 238,479,345,192.42/562,089.96
  6. Step 6: Final answer
    x = 424,272.56

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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.