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Finding the Fourth Proportional to 436,557.72, 602,440.74 and 255,376.92

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Solution

The fourth proportional to 436,557.72, 602,440.74 and 255,376.92 is: 352,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,557.72 : 602,440.74 = 255,376.92 : x
  2. Step 2: Convert to fraction form
    436,557.72/602,440.74 = 255,376.92/x
  3. Step 3: Cross multiply
    436,557.72x = 602,440.74 × 255,376.92
  4. Step 4: Simplify right side
    436,557.72x = 153,849,460,663.72
  5. Step 5: Solve for x
    x = 153,849,460,663.72/436,557.72
  6. Step 6: Final answer
    x = 352,414.94

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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.