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Finding the Fourth Proportional to 425,697,601.92, 587,351,514.56 and 249,390,819.98

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Solution

The fourth proportional to 425,697,601.92, 587,351,514.56 and 249,390,819.98 is: 344,094,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,697,601.92 : 587,351,514.56 = 249,390,819.98 : x
  2. Step 2: Convert to fraction form
    425,697,601.92/587,351,514.56 = 249,390,819.98/x
  3. Step 3: Cross multiply
    425,697,601.92x = 587,351,514.56 × 249,390,819.98
  4. Step 4: Simplify right side
    425,697,601.92x = 146,480,075,828,429,568
  5. Step 5: Solve for x
    x = 146,480,075,828,429,568/425,697,601.92
  6. Step 6: Final answer
    x = 344,094,200.13

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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.