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Finding the Fourth Proportional to 424,752.54, 586,091.34 and 243,429.54

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Solution

The fourth proportional to 424,752.54, 586,091.34 and 243,429.54 is: 335,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,752.54 : 586,091.34 = 243,429.54 : x
  2. Step 2: Convert to fraction form
    424,752.54/586,091.34 = 243,429.54/x
  3. Step 3: Cross multiply
    424,752.54x = 586,091.34 × 243,429.54
  4. Step 4: Simplify right side
    424,752.54x = 142,671,945,294.18
  5. Step 5: Solve for x
    x = 142,671,945,294.18/424,752.54
  6. Step 6: Final answer
    x = 335,894.27

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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.