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Finding the Fourth Proportional to 407,641.63, 562,561.64 and 235,553.89

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Solution

The fourth proportional to 407,641.63, 562,561.64 and 235,553.89 is: 325,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,641.63 : 562,561.64 = 235,553.89 : x
  2. Step 2: Convert to fraction form
    407,641.63/562,561.64 = 235,553.89/x
  3. Step 3: Cross multiply
    407,641.63x = 562,561.64 × 235,553.89
  4. Step 4: Simplify right side
    407,641.63x = 132,513,582,666.78
  5. Step 5: Solve for x
    x = 132,513,582,666.78/407,641.63
  6. Step 6: Final answer
    x = 325,073.72

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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.