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Finding the Fourth Proportional to 709,673,281.01, 980,307,684.65 and 534,783,265.01

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Solution

The fourth proportional to 709,673,281.01, 980,307,684.65 and 534,783,265.01 is: 738,723,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,673,281.01 : 980,307,684.65 = 534,783,265.01 : x
  2. Step 2: Convert to fraction form
    709,673,281.01/980,307,684.65 = 534,783,265.01/x
  3. Step 3: Cross multiply
    709,673,281.01x = 980,307,684.65 × 534,783,265.01
  4. Step 4: Simplify right side
    709,673,281.01x = 524,252,144,308,846,528
  5. Step 5: Solve for x
    x = 524,252,144,308,846,528/709,673,281.01
  6. Step 6: Final answer
    x = 738,723,238.34

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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.