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Finding the Fourth Proportional to 559,187.76, 838,178.28 and 274,547.28

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Solution

The fourth proportional to 559,187.76, 838,178.28 and 274,547.28 is: 411,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,187.76 : 838,178.28 = 274,547.28 : x
  2. Step 2: Convert to fraction form
    559,187.76/838,178.28 = 274,547.28/x
  3. Step 3: Cross multiply
    559,187.76x = 838,178.28 × 274,547.28
  4. Step 4: Simplify right side
    559,187.76x = 230,119,566,929.08
  5. Step 5: Solve for x
    x = 230,119,566,929.08/559,187.76
  6. Step 6: Final answer
    x = 411,524.69

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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.