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Finding the Fourth Proportional to 461,981.70, 637,533.45 and 260,777.70

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Solution

The fourth proportional to 461,981.70, 637,533.45 and 260,777.70 is: 359,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,981.70 : 637,533.45 = 260,777.70 : x
  2. Step 2: Convert to fraction form
    461,981.70/637,533.45 = 260,777.70/x
  3. Step 3: Cross multiply
    461,981.70x = 637,533.45 × 260,777.70
  4. Step 4: Simplify right side
    461,981.70x = 166,254,506,764.07
  5. Step 5: Solve for x
    x = 166,254,506,764.07/461,981.70
  6. Step 6: Final answer
    x = 359,872.49

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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.