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Finding the Fourth Proportional to 624,637,143.74, 931,371,293.82 and 607,475,626.88

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Solution

The fourth proportional to 624,637,143.74, 931,371,293.82 and 607,475,626.88 is: 905,782,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,637,143.74 : 931,371,293.82 = 607,475,626.88 : x
  2. Step 2: Convert to fraction form
    624,637,143.74/931,371,293.82 = 607,475,626.88/x
  3. Step 3: Cross multiply
    624,637,143.74x = 931,371,293.82 × 607,475,626.88
  4. Step 4: Simplify right side
    624,637,143.74x = 565,785,360,571,341,184
  5. Step 5: Solve for x
    x = 565,785,360,571,341,184/624,637,143.74
  6. Step 6: Final answer
    x = 905,782,447.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.