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Finding the Fourth Proportional to 434,801.70, 652,202.55 and 360,006.30

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Solution

The fourth proportional to 434,801.70, 652,202.55 and 360,006.30 is: 540,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,801.70 : 652,202.55 = 360,006.30 : x
  2. Step 2: Convert to fraction form
    434,801.70/652,202.55 = 360,006.30/x
  3. Step 3: Cross multiply
    434,801.70x = 652,202.55 × 360,006.30
  4. Step 4: Simplify right side
    434,801.70x = 234,797,026,876.07
  5. Step 5: Solve for x
    x = 234,797,026,876.07/434,801.70
  6. Step 6: Final answer
    x = 540,009.45

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1.5x scale

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.