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Finding the Fourth Proportional to 554,533.04, 831,864.60 and 194,594

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Solution

The fourth proportional to 554,533.04, 831,864.60 and 194,594 is: 291,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,533.04 : 831,864.60 = 194,594 : x
  2. Step 2: Convert to fraction form
    554,533.04/831,864.60 = 194,594/x
  3. Step 3: Cross multiply
    554,533.04x = 831,864.60 × 194,594
  4. Step 4: Simplify right side
    554,533.04x = 161,875,859,972.40
  5. Step 5: Solve for x
    x = 161,875,859,972.40/554,533.04
  6. Step 6: Final answer
    x = 291,913.82

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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.