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Finding the Fourth Proportional to 602,426,000.20, 903,639,000.30 and 602,426,000.20

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Solution

The fourth proportional to 602,426,000.20, 903,639,000.30 and 602,426,000.20 is: 903,639,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,426,000.20 : 903,639,000.30 = 602,426,000.20 : x
  2. Step 2: Convert to fraction form
    602,426,000.20/903,639,000.30 = 602,426,000.20/x
  3. Step 3: Cross multiply
    602,426,000.20x = 903,639,000.30 × 602,426,000.20
  4. Step 4: Simplify right side
    602,426,000.20x = 544,375,628,575,455,616
  5. Step 5: Solve for x
    x = 544,375,628,575,455,616/602,426,000.20
  6. Step 6: Final answer
    x = 903,639,000.30

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Similar ratio
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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.