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Finding the Fourth Proportional to 587,565.32, 881,347.98 and 144,333.32

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Solution

The fourth proportional to 587,565.32, 881,347.98 and 144,333.32 is: 216,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,565.32 : 881,347.98 = 144,333.32 : x
  2. Step 2: Convert to fraction form
    587,565.32/881,347.98 = 144,333.32/x
  3. Step 3: Cross multiply
    587,565.32x = 881,347.98 × 144,333.32
  4. Step 4: Simplify right side
    587,565.32x = 127,207,880,028.69
  5. Step 5: Solve for x
    x = 127,207,880,028.69/587,565.32
  6. Step 6: Final answer
    x = 216,499.98

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.