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Finding the Fourth Proportional to 404,176,547.80, 606,264,821.70 and 275,036,384.80

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Solution

The fourth proportional to 404,176,547.80, 606,264,821.70 and 275,036,384.80 is: 412,554,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,176,547.80 : 606,264,821.70 = 275,036,384.80 : x
  2. Step 2: Convert to fraction form
    404,176,547.80/606,264,821.70 = 275,036,384.80/x
  3. Step 3: Cross multiply
    404,176,547.80x = 606,264,821.70 × 275,036,384.80
  4. Step 4: Simplify right side
    404,176,547.80x = 166,744,884,791,784,608
  5. Step 5: Solve for x
    x = 166,744,884,791,784,608/404,176,547.80
  6. Step 6: Final answer
    x = 412,554,577.20

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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.