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Finding the Fourth Proportional to 702,167,534.30, 969,642,547.18 and 525,649,078.10

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Solution

The fourth proportional to 702,167,534.30, 969,642,547.18 and 525,649,078.10 is: 725,883,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,167,534.30 : 969,642,547.18 = 525,649,078.10 : x
  2. Step 2: Convert to fraction form
    702,167,534.30/969,642,547.18 = 525,649,078.10/x
  3. Step 3: Cross multiply
    702,167,534.30x = 969,642,547.18 × 525,649,078.10
  4. Step 4: Simplify right side
    702,167,534.30x = 509,691,711,011,702,720
  5. Step 5: Solve for x
    x = 509,691,711,011,702,720/702,167,534.30
  6. Step 6: Final answer
    x = 725,883,334.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.