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Finding the Fourth Proportional to 590,495,271.20, 885,742,906.80 and 344,599,488.80

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Solution

The fourth proportional to 590,495,271.20, 885,742,906.80 and 344,599,488.80 is: 516,899,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,495,271.20 : 885,742,906.80 = 344,599,488.80 : x
  2. Step 2: Convert to fraction form
    590,495,271.20/885,742,906.80 = 344,599,488.80/x
  3. Step 3: Cross multiply
    590,495,271.20x = 885,742,906.80 × 344,599,488.80
  4. Step 4: Simplify right side
    590,495,271.20x = 305,226,552,891,506,048
  5. Step 5: Solve for x
    x = 305,226,552,891,506,048/590,495,271.20
  6. Step 6: Final answer
    x = 516,899,233.20

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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.