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Finding the Fourth Proportional to 436,812.64, 602,701.70 and 245,756.32

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Solution

The fourth proportional to 436,812.64, 602,701.70 and 245,756.32 is: 339,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,812.64 : 602,701.70 = 245,756.32 : x
  2. Step 2: Convert to fraction form
    436,812.64/602,701.70 = 245,756.32/x
  3. Step 3: Cross multiply
    436,812.64x = 602,701.70 × 245,756.32
  4. Step 4: Simplify right side
    436,812.64x = 148,117,751,849.74
  5. Step 5: Solve for x
    x = 148,117,751,849.74/436,812.64
  6. Step 6: Final answer
    x = 339,087.60

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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.