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Finding the Fourth Proportional to 296,249,621.80, 413,729,103.80 and 296,249,621.80

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Solution

The fourth proportional to 296,249,621.80, 413,729,103.80 and 296,249,621.80 is: 413,729,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,249,621.80 : 413,729,103.80 = 296,249,621.80 : x
  2. Step 2: Convert to fraction form
    296,249,621.80/413,729,103.80 = 296,249,621.80/x
  3. Step 3: Cross multiply
    296,249,621.80x = 413,729,103.80 × 296,249,621.80
  4. Step 4: Simplify right side
    296,249,621.80x = 122,567,090,528,402,944
  5. Step 5: Solve for x
    x = 122,567,090,528,402,944/296,249,621.80
  6. Step 6: Final answer
    x = 413,729,103.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.