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Finding the Fourth Proportional to 404,446.60, 607,130.70 and 238,328.20

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Solution

The fourth proportional to 404,446.60, 607,130.70 and 238,328.20 is: 357,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,446.60 : 607,130.70 = 238,328.20 : x
  2. Step 2: Convert to fraction form
    404,446.60/607,130.70 = 238,328.20/x
  3. Step 3: Cross multiply
    404,446.60x = 607,130.70 × 238,328.20
  4. Step 4: Simplify right side
    404,446.60x = 144,696,366,895.74
  5. Step 5: Solve for x
    x = 144,696,366,895.74/404,446.60
  6. Step 6: Final answer
    x = 357,763.84

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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.