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Finding the Fourth Proportional to 461,601, 637,011.30 and 249,633

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Solution

The fourth proportional to 461,601, 637,011.30 and 249,633 is: 344,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,601 : 637,011.30 = 249,633 : x
  2. Step 2: Convert to fraction form
    461,601/637,011.30 = 249,633/x
  3. Step 3: Cross multiply
    461,601x = 637,011.30 × 249,633
  4. Step 4: Simplify right side
    461,601x = 159,019,041,852.90
  5. Step 5: Solve for x
    x = 159,019,041,852.90/461,601
  6. Step 6: Final answer
    x = 344,494.58

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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.