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Finding the Fourth Proportional to 404,894.60, 607,356.30 and 124,411.40

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Solution

The fourth proportional to 404,894.60, 607,356.30 and 124,411.40 is: 186,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,894.60 : 607,356.30 = 124,411.40 : x
  2. Step 2: Convert to fraction form
    404,894.60/607,356.30 = 124,411.40/x
  3. Step 3: Cross multiply
    404,894.60x = 607,356.30 × 124,411.40
  4. Step 4: Simplify right side
    404,894.60x = 75,562,047,581.82
  5. Step 5: Solve for x
    x = 75,562,047,581.82/404,894.60
  6. Step 6: Final answer
    x = 186,621.52

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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.