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Finding the Fourth Proportional to 506,612.67, 699,011.02 and 302,623.67

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Solution

The fourth proportional to 506,612.67, 699,011.02 and 302,623.67 is: 417,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,612.67 : 699,011.02 = 302,623.67 : x
  2. Step 2: Convert to fraction form
    506,612.67/699,011.02 = 302,623.67/x
  3. Step 3: Cross multiply
    506,612.67x = 699,011.02 × 302,623.67
  4. Step 4: Simplify right side
    506,612.67x = 211,537,281,233.81
  5. Step 5: Solve for x
    x = 211,537,281,233.81/506,612.67
  6. Step 6: Final answer
    x = 417,552.29

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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.