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Finding the Fourth Proportional to 554,443.33, 831,767.64 and 175,459.45

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Solution

The fourth proportional to 554,443.33, 831,767.64 and 175,459.45 is: 263,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,443.33 : 831,767.64 = 175,459.45 : x
  2. Step 2: Convert to fraction form
    554,443.33/831,767.64 = 175,459.45/x
  3. Step 3: Cross multiply
    554,443.33x = 831,767.64 × 175,459.45
  4. Step 4: Simplify right side
    554,443.33x = 145,941,492,642.20
  5. Step 5: Solve for x
    x = 145,941,492,642.20/554,443.33
  6. Step 6: Final answer
    x = 263,221.66

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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.