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Finding the Fourth Proportional to 590,423.40, 884,322.90 and 456,870.60

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Solution

The fourth proportional to 590,423.40, 884,322.90 and 456,870.60 is: 684,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,423.40 : 884,322.90 = 456,870.60 : x
  2. Step 2: Convert to fraction form
    590,423.40/884,322.90 = 456,870.60/x
  3. Step 3: Cross multiply
    590,423.40x = 884,322.90 × 456,870.60
  4. Step 4: Simplify right side
    590,423.40x = 404,021,133,916.74
  5. Step 5: Solve for x
    x = 404,021,133,916.74/590,423.40
  6. Step 6: Final answer
    x = 684,290.52

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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.