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Finding the Fourth Proportional to 652,557.45, 900,915.36 and 411,047.04

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Solution

The fourth proportional to 652,557.45, 900,915.36 and 411,047.04 is: 567,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,557.45 : 900,915.36 = 411,047.04 : x
  2. Step 2: Convert to fraction form
    652,557.45/900,915.36 = 411,047.04/x
  3. Step 3: Cross multiply
    652,557.45x = 900,915.36 × 411,047.04
  4. Step 4: Simplify right side
    652,557.45x = 370,318,592,018.53
  5. Step 5: Solve for x
    x = 370,318,592,018.53/652,557.45
  6. Step 6: Final answer
    x = 567,488.11

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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.