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Finding the Fourth Proportional to 441,421.52, 609,227.28 and 260,075.48

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Solution

The fourth proportional to 441,421.52, 609,227.28 and 260,075.48 is: 358,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,421.52 : 609,227.28 = 260,075.48 : x
  2. Step 2: Convert to fraction form
    441,421.52/609,227.28 = 260,075.48/x
  3. Step 3: Cross multiply
    441,421.52x = 609,227.28 × 260,075.48
  4. Step 4: Simplify right side
    441,421.52x = 158,445,077,275.09
  5. Step 5: Solve for x
    x = 158,445,077,275.09/441,421.52
  6. Step 6: Final answer
    x = 358,942.80

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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.