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Finding the Fourth Proportional to 585,007.50, 877,511.25 and 141,775.50

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Solution

The fourth proportional to 585,007.50, 877,511.25 and 141,775.50 is: 212,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,007.50 : 877,511.25 = 141,775.50 : x
  2. Step 2: Convert to fraction form
    585,007.50/877,511.25 = 141,775.50/x
  3. Step 3: Cross multiply
    585,007.50x = 877,511.25 × 141,775.50
  4. Step 4: Simplify right side
    585,007.50x = 124,409,596,224.38
  5. Step 5: Solve for x
    x = 124,409,596,224.38/585,007.50
  6. Step 6: Final answer
    x = 212,663.25

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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.