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Finding the Fourth Proportional to 657,907.38, 987,254.69 and 604,369.62

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Solution

The fourth proportional to 657,907.38, 987,254.69 and 604,369.62 is: 906,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,907.38 : 987,254.69 = 604,369.62 : x
  2. Step 2: Convert to fraction form
    657,907.38/987,254.69 = 604,369.62/x
  3. Step 3: Cross multiply
    657,907.38x = 987,254.69 × 604,369.62
  4. Step 4: Simplify right side
    657,907.38x = 596,666,738,816.67
  5. Step 5: Solve for x
    x = 596,666,738,816.67/657,907.38
  6. Step 6: Final answer
    x = 906,916.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.