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Finding the Fourth Proportional to 587,932.16, 810,476.48 and 458,724.20

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Solution

The fourth proportional to 587,932.16, 810,476.48 and 458,724.20 is: 632,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,932.16 : 810,476.48 = 458,724.20 : x
  2. Step 2: Convert to fraction form
    587,932.16/810,476.48 = 458,724.20/x
  3. Step 3: Cross multiply
    587,932.16x = 810,476.48 × 458,724.20
  4. Step 4: Simplify right side
    587,932.16x = 371,785,172,001.24
  5. Step 5: Solve for x
    x = 371,785,172,001.24/587,932.16
  6. Step 6: Final answer
    x = 632,360.67

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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.