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Finding the Fourth Proportional to 611,681.58, 917,523 and 232,513.20

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Solution

The fourth proportional to 611,681.58, 917,523 and 232,513.20 is: 348,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,681.58 : 917,523 = 232,513.20 : x
  2. Step 2: Convert to fraction form
    611,681.58/917,523 = 232,513.20/x
  3. Step 3: Cross multiply
    611,681.58x = 917,523 × 232,513.20
  4. Step 4: Simplify right side
    611,681.58x = 213,336,208,803.60
  5. Step 5: Solve for x
    x = 213,336,208,803.60/611,681.58
  6. Step 6: Final answer
    x = 348,770.04

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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.