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Finding the Fourth Proportional to 506,484.84, 699,164.28 and 315,592.56

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Solution

The fourth proportional to 506,484.84, 699,164.28 and 315,592.56 is: 435,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,484.84 : 699,164.28 = 315,592.56 : x
  2. Step 2: Convert to fraction form
    506,484.84/699,164.28 = 315,592.56/x
  3. Step 3: Cross multiply
    506,484.84x = 699,164.28 × 315,592.56
  4. Step 4: Simplify right side
    506,484.84x = 220,651,044,985.76
  5. Step 5: Solve for x
    x = 220,651,044,985.76/506,484.84
  6. Step 6: Final answer
    x = 435,651.83

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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.