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Finding the Fourth Proportional to 616,153.40, 922,674.90 and 404,646.20

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Solution

The fourth proportional to 616,153.40, 922,674.90 and 404,646.20 is: 605,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,153.40 : 922,674.90 = 404,646.20 : x
  2. Step 2: Convert to fraction form
    616,153.40/922,674.90 = 404,646.20/x
  3. Step 3: Cross multiply
    616,153.40x = 922,674.90 × 404,646.20
  4. Step 4: Simplify right side
    616,153.40x = 373,356,892,120.38
  5. Step 5: Solve for x
    x = 373,356,892,120.38/616,153.40
  6. Step 6: Final answer
    x = 605,947.95

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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.