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Finding the Fourth Proportional to 592,430.40, 888,775.20 and 193,003.20

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Solution

The fourth proportional to 592,430.40, 888,775.20 and 193,003.20 is: 289,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,430.40 : 888,775.20 = 193,003.20 : x
  2. Step 2: Convert to fraction form
    592,430.40/888,775.20 = 193,003.20/x
  3. Step 3: Cross multiply
    592,430.40x = 888,775.20 × 193,003.20
  4. Step 4: Simplify right side
    592,430.40x = 171,536,457,680.64
  5. Step 5: Solve for x
    x = 171,536,457,680.64/592,430.40
  6. Step 6: Final answer
    x = 289,547.02

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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.