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Finding the Fourth Proportional to 525,687,852.67, 725,672,608.82 and 327,547,243.00

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Solution

The fourth proportional to 525,687,852.67, 725,672,608.82 and 327,547,243.00 is: 452,154,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,687,852.67 : 725,672,608.82 = 327,547,243.00 : x
  2. Step 2: Convert to fraction form
    525,687,852.67/725,672,608.82 = 327,547,243.00/x
  3. Step 3: Cross multiply
    525,687,852.67x = 725,672,608.82 × 327,547,243.00
  4. Step 4: Simplify right side
    525,687,852.67x = 237,692,062,338,613,184
  5. Step 5: Solve for x
    x = 237,692,062,338,613,184/525,687,852.67
  6. Step 6: Final answer
    x = 452,154,374.75

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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.