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Finding the Fourth Proportional to 572,765.08, 859,080.30 and 152,073.40

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Solution

The fourth proportional to 572,765.08, 859,080.30 and 152,073.40 is: 228,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,765.08 : 859,080.30 = 152,073.40 : x
  2. Step 2: Convert to fraction form
    572,765.08/859,080.30 = 152,073.40/x
  3. Step 3: Cross multiply
    572,765.08x = 859,080.30 × 152,073.40
  4. Step 4: Simplify right side
    572,765.08x = 130,643,262,094.02
  5. Step 5: Solve for x
    x = 130,643,262,094.02/572,765.08
  6. Step 6: Final answer
    x = 228,092.23

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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.