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Finding the Fourth Proportional to 436,637.30, 602,516.58 and 245,646.59

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Solution

The fourth proportional to 436,637.30, 602,516.58 and 245,646.59 is: 338,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,637.30 : 602,516.58 = 245,646.59 : x
  2. Step 2: Convert to fraction form
    436,637.30/602,516.58 = 245,646.59/x
  3. Step 3: Cross multiply
    436,637.30x = 602,516.58 × 245,646.59
  4. Step 4: Simplify right side
    436,637.30x = 148,006,143,295.46
  5. Step 5: Solve for x
    x = 148,006,143,295.46/436,637.30
  6. Step 6: Final answer
    x = 338,968.16

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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.