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Finding the Fourth Proportional to 446,856.40, 626,428.40 and 446,856.40

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Solution

The fourth proportional to 446,856.40, 626,428.40 and 446,856.40 is: 626,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,856.40 : 626,428.40 = 446,856.40 : x
  2. Step 2: Convert to fraction form
    446,856.40/626,428.40 = 446,856.40/x
  3. Step 3: Cross multiply
    446,856.40x = 626,428.40 × 446,856.40
  4. Step 4: Simplify right side
    446,856.40x = 279,923,539,681.76
  5. Step 5: Solve for x
    x = 279,923,539,681.76/446,856.40
  6. Step 6: Final answer
    x = 626,428.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.