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Finding the Fourth Proportional to 577,897, 797,497.88 and 376,693

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Solution

The fourth proportional to 577,897, 797,497.88 and 376,693 is: 519,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,897 : 797,497.88 = 376,693 : x
  2. Step 2: Convert to fraction form
    577,897/797,497.88 = 376,693/x
  3. Step 3: Cross multiply
    577,897x = 797,497.88 × 376,693
  4. Step 4: Simplify right side
    577,897x = 300,411,868,910.84
  5. Step 5: Solve for x
    x = 300,411,868,910.84/577,897
  6. Step 6: Final answer
    x = 519,836.35

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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.