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Finding the Fourth Proportional to 545,953,514.40, 818,930,271.60 and 545,953,514.40

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Solution

The fourth proportional to 545,953,514.40, 818,930,271.60 and 545,953,514.40 is: 818,930,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,953,514.40 : 818,930,271.60 = 545,953,514.40 : x
  2. Step 2: Convert to fraction form
    545,953,514.40/818,930,271.60 = 545,953,514.40/x
  3. Step 3: Cross multiply
    545,953,514.40x = 818,930,271.60 × 545,953,514.40
  4. Step 4: Simplify right side
    545,953,514.40x = 447,097,859,828,566,528
  5. Step 5: Solve for x
    x = 447,097,859,828,566,528/545,953,514.40
  6. Step 6: Final answer
    x = 818,930,271.60

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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.