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Finding the Fourth Proportional to 369,101.84, 553,455.88 and 191,167.52

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Solution

The fourth proportional to 369,101.84, 553,455.88 and 191,167.52 is: 286,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,101.84 : 553,455.88 = 191,167.52 : x
  2. Step 2: Convert to fraction form
    369,101.84/553,455.88 = 191,167.52/x
  3. Step 3: Cross multiply
    369,101.84x = 553,455.88 × 191,167.52
  4. Step 4: Simplify right side
    369,101.84x = 105,802,788,009.02
  5. Step 5: Solve for x
    x = 105,802,788,009.02/369,101.84
  6. Step 6: Final answer
    x = 286,649.31

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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.