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Finding the Fourth Proportional to 356,785,411.64, 492,574,955.82 and 224,739,594.68

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Solution

The fourth proportional to 356,785,411.64, 492,574,955.82 and 224,739,594.68 is: 310,273,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,785,411.64 : 492,574,955.82 = 224,739,594.68 : x
  2. Step 2: Convert to fraction form
    356,785,411.64/492,574,955.82 = 224,739,594.68/x
  3. Step 3: Cross multiply
    356,785,411.64x = 492,574,955.82 × 224,739,594.68
  4. Step 4: Simplify right side
    356,785,411.64x = 110,701,095,920,505,712
  5. Step 5: Solve for x
    x = 110,701,095,920,505,712/356,785,411.64
  6. Step 6: Final answer
    x = 310,273,605.11

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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.