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Finding the Fourth Proportional to 570,179.66, 786,837.93 and 328,461.50

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Solution

The fourth proportional to 570,179.66, 786,837.93 and 328,461.50 is: 453,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,179.66 : 786,837.93 = 328,461.50 : x
  2. Step 2: Convert to fraction form
    570,179.66/786,837.93 = 328,461.50/x
  3. Step 3: Cross multiply
    570,179.66x = 786,837.93 × 328,461.50
  4. Step 4: Simplify right side
    570,179.66x = 258,445,966,744.70
  5. Step 5: Solve for x
    x = 258,445,966,744.70/570,179.66
  6. Step 6: Final answer
    x = 453,271.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.