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Finding the Fourth Proportional to 404,712.90, 607,069.35 and 194,300.10

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Solution

The fourth proportional to 404,712.90, 607,069.35 and 194,300.10 is: 291,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.90 : 607,069.35 = 194,300.10 : x
  2. Step 2: Convert to fraction form
    404,712.90/607,069.35 = 194,300.10/x
  3. Step 3: Cross multiply
    404,712.90x = 607,069.35 × 194,300.10
  4. Step 4: Simplify right side
    404,712.90x = 117,953,635,411.94
  5. Step 5: Solve for x
    x = 117,953,635,411.94/404,712.90
  6. Step 6: Final answer
    x = 291,450.15

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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.