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Finding the Fourth Proportional to 935,574.44, 1,290,798 and 572,619.92

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Solution

The fourth proportional to 935,574.44, 1,290,798 and 572,619.92 is: 790,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,574.44 : 1,290,798 = 572,619.92 : x
  2. Step 2: Convert to fraction form
    935,574.44/1,290,798 = 572,619.92/x
  3. Step 3: Cross multiply
    935,574.44x = 1,290,798 × 572,619.92
  4. Step 4: Simplify right side
    935,574.44x = 739,136,641,042.17
  5. Step 5: Solve for x
    x = 739,136,641,042.17/935,574.44
  6. Step 6: Final answer
    x = 790,035.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.