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Finding the Fourth Proportional to 464,510.76, 641,031.66 and 260,606.76

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Solution

The fourth proportional to 464,510.76, 641,031.66 and 260,606.76 is: 359,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,510.76 : 641,031.66 = 260,606.76 : x
  2. Step 2: Convert to fraction form
    464,510.76/641,031.66 = 260,606.76/x
  3. Step 3: Cross multiply
    464,510.76x = 641,031.66 × 260,606.76
  4. Step 4: Simplify right side
    464,510.76x = 167,057,183,970.02
  5. Step 5: Solve for x
    x = 167,057,183,970.02/464,510.76
  6. Step 6: Final answer
    x = 359,641.15

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1.5x scale

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.