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Finding the Fourth Proportional to 601,287,712.80, 901,931,569.20 and 504,432,590.55

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Solution

The fourth proportional to 601,287,712.80, 901,931,569.20 and 504,432,590.55 is: 756,648,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,287,712.80 : 901,931,569.20 = 504,432,590.55 : x
  2. Step 2: Convert to fraction form
    601,287,712.80/901,931,569.20 = 504,432,590.55/x
  3. Step 3: Cross multiply
    601,287,712.80x = 901,931,569.20 × 504,432,590.55
  4. Step 4: Simplify right side
    601,287,712.80x = 454,963,677,950,382,656
  5. Step 5: Solve for x
    x = 454,963,677,950,382,656/601,287,712.80
  6. Step 6: Final answer
    x = 756,648,885.83

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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.