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Finding the Fourth Proportional to 563,724,502.80, 845,586,754.20 and 492,060,886.80

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Solution

The fourth proportional to 563,724,502.80, 845,586,754.20 and 492,060,886.80 is: 738,091,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,724,502.80 : 845,586,754.20 = 492,060,886.80 : x
  2. Step 2: Convert to fraction form
    563,724,502.80/845,586,754.20 = 492,060,886.80/x
  3. Step 3: Cross multiply
    563,724,502.80x = 845,586,754.20 × 492,060,886.80
  4. Step 4: Simplify right side
    563,724,502.80x = 416,080,168,137,985,664
  5. Step 5: Solve for x
    x = 416,080,168,137,985,664/563,724,502.80
  6. Step 6: Final answer
    x = 738,091,330.20

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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.