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Finding the Fourth Proportional to 637,270.17, 879,329.91 and 365,288.01

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Solution

The fourth proportional to 637,270.17, 879,329.91 and 365,288.01 is: 504,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,270.17 : 879,329.91 = 365,288.01 : x
  2. Step 2: Convert to fraction form
    637,270.17/879,329.91 = 365,288.01/x
  3. Step 3: Cross multiply
    637,270.17x = 879,329.91 × 365,288.01
  4. Step 4: Simplify right side
    637,270.17x = 321,208,672,957.38
  5. Step 5: Solve for x
    x = 321,208,672,957.38/637,270.17
  6. Step 6: Final answer
    x = 504,038.46

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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.