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Finding the Fourth Proportional to 554,547.60, 831,821.49 and 133,823.49

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Solution

The fourth proportional to 554,547.60, 831,821.49 and 133,823.49 is: 200,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,547.60 : 831,821.49 = 133,823.49 : x
  2. Step 2: Convert to fraction form
    554,547.60/831,821.49 = 133,823.49/x
  3. Step 3: Cross multiply
    554,547.60x = 831,821.49 × 133,823.49
  4. Step 4: Simplify right side
    554,547.60x = 111,317,254,848.80
  5. Step 5: Solve for x
    x = 111,317,254,848.80/554,547.60
  6. Step 6: Final answer
    x = 200,735.26

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1.5x scale

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.