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Finding the Fourth Proportional to 575,601.48, 859,139.22 and 540,142.92

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Solution

The fourth proportional to 575,601.48, 859,139.22 and 540,142.92 is: 806,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,601.48 : 859,139.22 = 540,142.92 : x
  2. Step 2: Convert to fraction form
    575,601.48/859,139.22 = 540,142.92/x
  3. Step 3: Cross multiply
    575,601.48x = 859,139.22 × 540,142.92
  4. Step 4: Simplify right side
    575,601.48x = 464,057,966,977.32
  5. Step 5: Solve for x
    x = 464,057,966,977.32/575,601.48
  6. Step 6: Final answer
    x = 806,213.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.