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Finding the Fourth Proportional to 435,701.40, 608,737.80 and 435,701.40

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Solution

The fourth proportional to 435,701.40, 608,737.80 and 435,701.40 is: 608,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,701.40 : 608,737.80 = 435,701.40 : x
  2. Step 2: Convert to fraction form
    435,701.40/608,737.80 = 435,701.40/x
  3. Step 3: Cross multiply
    435,701.40x = 608,737.80 × 435,701.40
  4. Step 4: Simplify right side
    435,701.40x = 265,227,911,692.92
  5. Step 5: Solve for x
    x = 265,227,911,692.92/435,701.40
  6. Step 6: Final answer
    x = 608,737.80

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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.