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Finding the Fourth Proportional to 1,164,386, 1,746,579 and 322,937.76

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Solution

The fourth proportional to 1,164,386, 1,746,579 and 322,937.76 is: 484,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,386 : 1,746,579 = 322,937.76 : x
  2. Step 2: Convert to fraction form
    1,164,386/1,746,579 = 322,937.76/x
  3. Step 3: Cross multiply
    1,164,386x = 1,746,579 × 322,937.76
  4. Step 4: Simplify right side
    1,164,386x = 564,036,309,923.04
  5. Step 5: Solve for x
    x = 564,036,309,923.04/1,164,386
  6. Step 6: Final answer
    x = 484,406.64

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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.