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Finding the Fourth Proportional to 497,480.48, 686,525.34 and 282,632.33

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Solution

The fourth proportional to 497,480.48, 686,525.34 and 282,632.33 is: 390,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,480.48 : 686,525.34 = 282,632.33 : x
  2. Step 2: Convert to fraction form
    497,480.48/686,525.34 = 282,632.33/x
  3. Step 3: Cross multiply
    497,480.48x = 686,525.34 × 282,632.33
  4. Step 4: Simplify right side
    497,480.48x = 194,034,255,035.08
  5. Step 5: Solve for x
    x = 194,034,255,035.08/497,480.48
  6. Step 6: Final answer
    x = 390,033.91

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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.