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Finding the Fourth Proportional to 541,490.40, 811,544.40 and 416,210.40

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Solution

The fourth proportional to 541,490.40, 811,544.40 and 416,210.40 is: 623,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,490.40 : 811,544.40 = 416,210.40 : x
  2. Step 2: Convert to fraction form
    541,490.40/811,544.40 = 416,210.40/x
  3. Step 3: Cross multiply
    541,490.40x = 811,544.40 × 416,210.40
  4. Step 4: Simplify right side
    541,490.40x = 337,773,219,341.76
  5. Step 5: Solve for x
    x = 337,773,219,341.76/541,490.40
  6. Step 6: Final answer
    x = 623,784.32

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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.