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Finding the Fourth Proportional to 575,956.94, 863,877.08 and 155,275.34

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Solution

The fourth proportional to 575,956.94, 863,877.08 and 155,275.34 is: 232,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,956.94 : 863,877.08 = 155,275.34 : x
  2. Step 2: Convert to fraction form
    575,956.94/863,877.08 = 155,275.34/x
  3. Step 3: Cross multiply
    575,956.94x = 863,877.08 × 155,275.34
  4. Step 4: Simplify right side
    575,956.94x = 134,138,807,315.21
  5. Step 5: Solve for x
    x = 134,138,807,315.21/575,956.94
  6. Step 6: Final answer
    x = 232,897.28

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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.