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Finding the Fourth Proportional to 295,468,432.79, 407,748,040.29 and 161,506,529.06

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Solution

The fourth proportional to 295,468,432.79, 407,748,040.29 and 161,506,529.06 is: 222,879,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,468,432.79 : 407,748,040.29 = 161,506,529.06 : x
  2. Step 2: Convert to fraction form
    295,468,432.79/407,748,040.29 = 161,506,529.06/x
  3. Step 3: Cross multiply
    295,468,432.79x = 407,748,040.29 × 161,506,529.06
  4. Step 4: Simplify right side
    295,468,432.79x = 65,853,970,716,216,200
  5. Step 5: Solve for x
    x = 65,853,970,716,216,200/295,468,432.79
  6. Step 6: Final answer
    x = 222,879,886.34

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Why These Related Problems?

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