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Finding the Fourth Proportional to 500,582.82, 690,613.60 and 370,073.85

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Solution

The fourth proportional to 500,582.82, 690,613.60 and 370,073.85 is: 510,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,582.82 : 690,613.60 = 370,073.85 : x
  2. Step 2: Convert to fraction form
    500,582.82/690,613.60 = 370,073.85/x
  3. Step 3: Cross multiply
    500,582.82x = 690,613.60 × 370,073.85
  4. Step 4: Simplify right side
    500,582.82x = 255,578,031,963.99
  5. Step 5: Solve for x
    x = 255,578,031,963.99/500,582.82
  6. Step 6: Final answer
    x = 510,560.93

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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.