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Finding the Fourth Proportional to 595,547.60, 893,321.40 and 385,422.80

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Solution

The fourth proportional to 595,547.60, 893,321.40 and 385,422.80 is: 578,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,547.60 : 893,321.40 = 385,422.80 : x
  2. Step 2: Convert to fraction form
    595,547.60/893,321.40 = 385,422.80/x
  3. Step 3: Cross multiply
    595,547.60x = 893,321.40 × 385,422.80
  4. Step 4: Simplify right side
    595,547.60x = 344,306,435,287.92
  5. Step 5: Solve for x
    x = 344,306,435,287.92/595,547.60
  6. Step 6: Final answer
    x = 578,134.20

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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.