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Finding the Fourth Proportional to 576,552,457.95, 864,828,686.93 and 479,617,619.55

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Solution

The fourth proportional to 576,552,457.95, 864,828,686.93 and 479,617,619.55 is: 719,426,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,552,457.95 : 864,828,686.93 = 479,617,619.55 : x
  2. Step 2: Convert to fraction form
    576,552,457.95/864,828,686.93 = 479,617,619.55/x
  3. Step 3: Cross multiply
    576,552,457.95x = 864,828,686.93 × 479,617,619.55
  4. Step 4: Simplify right side
    576,552,457.95x = 414,787,076,141,520,704
  5. Step 5: Solve for x
    x = 414,787,076,141,520,704/576,552,457.95
  6. Step 6: Final answer
    x = 719,426,429.33

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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.