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Finding the Fourth Proportional to 554,808.15, 831,476.48 and 284,925.40

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Solution

The fourth proportional to 554,808.15, 831,476.48 and 284,925.40 is: 427,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808.15 : 831,476.48 = 284,925.40 : x
  2. Step 2: Convert to fraction form
    554,808.15/831,476.48 = 284,925.40/x
  3. Step 3: Cross multiply
    554,808.15x = 831,476.48 × 284,925.40
  4. Step 4: Simplify right side
    554,808.15x = 236,908,765,151.27
  5. Step 5: Solve for x
    x = 236,908,765,151.27/554,808.15
  6. Step 6: Final answer
    x = 427,010.25

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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.