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Finding the Fourth Proportional to 436,778.76, 602,752.80 and 245,795.40

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Solution

The fourth proportional to 436,778.76, 602,752.80 and 245,795.40 is: 339,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,778.76 : 602,752.80 = 245,795.40 : x
  2. Step 2: Convert to fraction form
    436,778.76/602,752.80 = 245,795.40/x
  3. Step 3: Cross multiply
    436,778.76x = 602,752.80 × 245,795.40
  4. Step 4: Simplify right side
    436,778.76x = 148,153,865,577.12
  5. Step 5: Solve for x
    x = 148,153,865,577.12/436,778.76
  6. Step 6: Final answer
    x = 339,196.59

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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.