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Finding the Fourth Proportional to 584,655.40, 877,639.20 and 452,123.20

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Solution

The fourth proportional to 584,655.40, 877,639.20 and 452,123.20 is: 678,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,655.40 : 877,639.20 = 452,123.20 : x
  2. Step 2: Convert to fraction form
    584,655.40/877,639.20 = 452,123.20/x
  3. Step 3: Cross multiply
    584,655.40x = 877,639.20 × 452,123.20
  4. Step 4: Simplify right side
    584,655.40x = 396,801,043,549.44
  5. Step 5: Solve for x
    x = 396,801,043,549.44/584,655.40
  6. Step 6: Final answer
    x = 678,692.17

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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.