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Finding the Fourth Proportional to 562,169.96, 775,800.70 and 307,521.15

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Solution

The fourth proportional to 562,169.96, 775,800.70 and 307,521.15 is: 424,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,169.96 : 775,800.70 = 307,521.15 : x
  2. Step 2: Convert to fraction form
    562,169.96/775,800.70 = 307,521.15/x
  3. Step 3: Cross multiply
    562,169.96x = 775,800.70 × 307,521.15
  4. Step 4: Simplify right side
    562,169.96x = 238,575,123,434.81
  5. Step 5: Solve for x
    x = 238,575,123,434.81/562,169.96
  6. Step 6: Final answer
    x = 424,382.55

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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.