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Finding the Fourth Proportional to 1,148,526, 1,722,803.58 and 400,572

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Solution

The fourth proportional to 1,148,526, 1,722,803.58 and 400,572 is: 600,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,526 : 1,722,803.58 = 400,572 : x
  2. Step 2: Convert to fraction form
    1,148,526/1,722,803.58 = 400,572/x
  3. Step 3: Cross multiply
    1,148,526x = 1,722,803.58 × 400,572
  4. Step 4: Simplify right side
    1,148,526x = 690,106,875,647.76
  5. Step 5: Solve for x
    x = 690,106,875,647.76/1,148,526
  6. Step 6: Final answer
    x = 600,863.09

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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.