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Finding the Fourth Proportional to 436,488.35, 602,012.52 and 283,575.74

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Solution

The fourth proportional to 436,488.35, 602,012.52 and 283,575.74 is: 391,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,488.35 : 602,012.52 = 283,575.74 : x
  2. Step 2: Convert to fraction form
    436,488.35/602,012.52 = 283,575.74/x
  3. Step 3: Cross multiply
    436,488.35x = 602,012.52 × 283,575.74
  4. Step 4: Simplify right side
    436,488.35x = 170,716,142,838.20
  5. Step 5: Solve for x
    x = 170,716,142,838.20/436,488.35
  6. Step 6: Final answer
    x = 391,112.72

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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.