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Finding the Fourth Proportional to 371,896,724.68, 512,049,264.78 and 316,024,298.44

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Solution

The fourth proportional to 371,896,724.68, 512,049,264.78 and 316,024,298.44 is: 435,120,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,896,724.68 : 512,049,264.78 = 316,024,298.44 : x
  2. Step 2: Convert to fraction form
    371,896,724.68/512,049,264.78 = 316,024,298.44/x
  3. Step 3: Cross multiply
    371,896,724.68x = 512,049,264.78 × 316,024,298.44
  4. Step 4: Simplify right side
    371,896,724.68x = 161,820,009,668,817,280
  5. Step 5: Solve for x
    x = 161,820,009,668,817,280/371,896,724.68
  6. Step 6: Final answer
    x = 435,120,825.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.