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Finding the Fourth Proportional to 340,413,703.20, 510,620,554.80 and 340,413,703.20

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Solution

The fourth proportional to 340,413,703.20, 510,620,554.80 and 340,413,703.20 is: 510,620,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,413,703.20 : 510,620,554.80 = 340,413,703.20 : x
  2. Step 2: Convert to fraction form
    340,413,703.20/510,620,554.80 = 340,413,703.20/x
  3. Step 3: Cross multiply
    340,413,703.20x = 510,620,554.80 × 340,413,703.20
  4. Step 4: Simplify right side
    340,413,703.20x = 173,822,233,989,506,528
  5. Step 5: Solve for x
    x = 173,822,233,989,506,528/340,413,703.20
  6. Step 6: Final answer
    x = 510,620,554.80

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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.