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Finding the Fourth Proportional to 554,094.16, 831,188.40 and 174,913.45

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Solution

The fourth proportional to 554,094.16, 831,188.40 and 174,913.45 is: 262,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,094.16 : 831,188.40 = 174,913.45 : x
  2. Step 2: Convert to fraction form
    554,094.16/831,188.40 = 174,913.45/x
  3. Step 3: Cross multiply
    554,094.16x = 831,188.40 × 174,913.45
  4. Step 4: Simplify right side
    554,094.16x = 145,386,030,643.98
  5. Step 5: Solve for x
    x = 145,386,030,643.98/554,094.16
  6. Step 6: Final answer
    x = 262,385.06

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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.