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Finding the Fourth Proportional to 551,607.84, 761,126.76 and 325,298.16

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Solution

The fourth proportional to 551,607.84, 761,126.76 and 325,298.16 is: 448,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,607.84 : 761,126.76 = 325,298.16 : x
  2. Step 2: Convert to fraction form
    551,607.84/761,126.76 = 325,298.16/x
  3. Step 3: Cross multiply
    551,607.84x = 761,126.76 × 325,298.16
  4. Step 4: Simplify right side
    551,607.84x = 247,593,134,554.76
  5. Step 5: Solve for x
    x = 247,593,134,554.76/551,607.84
  6. Step 6: Final answer
    x = 448,857.17

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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.