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Finding the Fourth Proportional to 554,254.70, 831,710.10 and 365,261.45

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Solution

The fourth proportional to 554,254.70, 831,710.10 and 365,261.45 is: 548,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,254.70 : 831,710.10 = 365,261.45 : x
  2. Step 2: Convert to fraction form
    554,254.70/831,710.10 = 365,261.45/x
  3. Step 3: Cross multiply
    554,254.70x = 831,710.10 × 365,261.45
  4. Step 4: Simplify right side
    554,254.70x = 303,791,637,105.65
  5. Step 5: Solve for x
    x = 303,791,637,105.65/554,254.70
  6. Step 6: Final answer
    x = 548,108.36

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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.