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Finding the Fourth Proportional to 453,795.60, 625,403.75 and 424,999.65

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Solution

The fourth proportional to 453,795.60, 625,403.75 and 424,999.65 is: 585,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,795.60 : 625,403.75 = 424,999.65 : x
  2. Step 2: Convert to fraction form
    453,795.60/625,403.75 = 424,999.65/x
  3. Step 3: Cross multiply
    453,795.60x = 625,403.75 × 424,999.65
  4. Step 4: Simplify right side
    453,795.60x = 265,796,374,858.69
  5. Step 5: Solve for x
    x = 265,796,374,858.69/453,795.60
  6. Step 6: Final answer
    x = 585,718.27

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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.