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Finding the Fourth Proportional to 1,314,908.76, 1,972,631.12 and 594,904.64

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Solution

The fourth proportional to 1,314,908.76, 1,972,631.12 and 594,904.64 is: 892,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,908.76 : 1,972,631.12 = 594,904.64 : x
  2. Step 2: Convert to fraction form
    1,314,908.76/1,972,631.12 = 594,904.64/x
  3. Step 3: Cross multiply
    1,314,908.76x = 1,972,631.12 × 594,904.64
  4. Step 4: Simplify right side
    1,314,908.76x = 1,173,527,406,296.40
  5. Step 5: Solve for x
    x = 1,173,527,406,296.40/1,314,908.76
  6. Step 6: Final answer
    x = 892,478.20

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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.