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Finding the Fourth Proportional to 404,612.90, 607,575.45 and 293,075.90

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Solution

The fourth proportional to 404,612.90, 607,575.45 and 293,075.90 is: 440,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,612.90 : 607,575.45 = 293,075.90 : x
  2. Step 2: Convert to fraction form
    404,612.90/607,575.45 = 293,075.90/x
  3. Step 3: Cross multiply
    404,612.90x = 607,575.45 × 293,075.90
  4. Step 4: Simplify right side
    404,612.90x = 178,065,721,826.66
  5. Step 5: Solve for x
    x = 178,065,721,826.66/404,612.90
  6. Step 6: Final answer
    x = 440,089.09

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1.5x scale

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.