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Finding the Fourth Proportional to 461,075.88, 636,443.46 and 270,151.08

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Solution

The fourth proportional to 461,075.88, 636,443.46 and 270,151.08 is: 372,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,075.88 : 636,443.46 = 270,151.08 : x
  2. Step 2: Convert to fraction form
    461,075.88/636,443.46 = 270,151.08/x
  3. Step 3: Cross multiply
    461,075.88x = 636,443.46 × 270,151.08
  4. Step 4: Simplify right side
    461,075.88x = 171,935,888,077.94
  5. Step 5: Solve for x
    x = 171,935,888,077.94/461,075.88
  6. Step 6: Final answer
    x = 372,901.50

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1.5x scale

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.