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Finding the Fourth Proportional to 595,565.60, 893,348.40 and 385,440.80

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Solution

The fourth proportional to 595,565.60, 893,348.40 and 385,440.80 is: 578,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,565.60 : 893,348.40 = 385,440.80 : x
  2. Step 2: Convert to fraction form
    595,565.60/893,348.40 = 385,440.80/x
  3. Step 3: Cross multiply
    595,565.60x = 893,348.40 × 385,440.80
  4. Step 4: Simplify right side
    595,565.60x = 344,332,921,974.72
  5. Step 5: Solve for x
    x = 344,332,921,974.72/595,565.60
  6. Step 6: Final answer
    x = 578,161.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.