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Finding the Fourth Proportional to 551,624.07, 761,171.58 and 322,127.58

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Solution

The fourth proportional to 551,624.07, 761,171.58 and 322,127.58 is: 444,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,624.07 : 761,171.58 = 322,127.58 : x
  2. Step 2: Convert to fraction form
    551,624.07/761,171.58 = 322,127.58/x
  3. Step 3: Cross multiply
    551,624.07x = 761,171.58 × 322,127.58
  4. Step 4: Simplify right side
    551,624.07x = 245,194,359,030.18
  5. Step 5: Solve for x
    x = 245,194,359,030.18/551,624.07
  6. Step 6: Final answer
    x = 444,495.40

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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.