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Finding the Fourth Proportional to 616,248.40, 925,063.80 and 367,070.80

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Solution

The fourth proportional to 616,248.40, 925,063.80 and 367,070.80 is: 551,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,248.40 : 925,063.80 = 367,070.80 : x
  2. Step 2: Convert to fraction form
    616,248.40/925,063.80 = 367,070.80/x
  3. Step 3: Cross multiply
    616,248.40x = 925,063.80 × 367,070.80
  4. Step 4: Simplify right side
    616,248.40x = 339,563,909,117.04
  5. Step 5: Solve for x
    x = 339,563,909,117.04/616,248.40
  6. Step 6: Final answer
    x = 551,017.92

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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.