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Finding the Fourth Proportional to 710,417.07, 980,376.48 and 404,480.07

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Solution

The fourth proportional to 710,417.07, 980,376.48 and 404,480.07 is: 558,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,417.07 : 980,376.48 = 404,480.07 : x
  2. Step 2: Convert to fraction form
    710,417.07/980,376.48 = 404,480.07/x
  3. Step 3: Cross multiply
    710,417.07x = 980,376.48 × 404,480.07
  4. Step 4: Simplify right side
    710,417.07x = 396,542,747,256.75
  5. Step 5: Solve for x
    x = 396,542,747,256.75/710,417.07
  6. Step 6: Final answer
    x = 558,183.02

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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.