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Finding the Fourth Proportional to 615,868.90, 924,110.55 and 349,833.70

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Solution

The fourth proportional to 615,868.90, 924,110.55 and 349,833.70 is: 524,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,868.90 : 924,110.55 = 349,833.70 : x
  2. Step 2: Convert to fraction form
    615,868.90/924,110.55 = 349,833.70/x
  3. Step 3: Cross multiply
    615,868.90x = 924,110.55 × 349,833.70
  4. Step 4: Simplify right side
    615,868.90x = 323,285,012,915.54
  5. Step 5: Solve for x
    x = 323,285,012,915.54/615,868.90
  6. Step 6: Final answer
    x = 524,925.05

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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.