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Finding the Fourth Proportional to 550,640,223.60, 825,960,335.40 and 500,475,692.40

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Solution

The fourth proportional to 550,640,223.60, 825,960,335.40 and 500,475,692.40 is: 750,713,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,640,223.60 : 825,960,335.40 = 500,475,692.40 : x
  2. Step 2: Convert to fraction form
    550,640,223.60/825,960,335.40 = 500,475,692.40/x
  3. Step 3: Cross multiply
    550,640,223.60x = 825,960,335.40 × 500,475,692.40
  4. Step 4: Simplify right side
    550,640,223.60x = 413,373,070,754,251,200
  5. Step 5: Solve for x
    x = 413,373,070,754,251,200/550,640,223.60
  6. Step 6: Final answer
    x = 750,713,538.60

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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.