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Finding the Fourth Proportional to 637,717.01, 880,111.56 and 476,291.76

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Solution

The fourth proportional to 637,717.01, 880,111.56 and 476,291.76 is: 657,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,717.01 : 880,111.56 = 476,291.76 : x
  2. Step 2: Convert to fraction form
    637,717.01/880,111.56 = 476,291.76/x
  3. Step 3: Cross multiply
    637,717.01x = 880,111.56 × 476,291.76
  4. Step 4: Simplify right side
    637,717.01x = 419,189,883,908.75
  5. Step 5: Solve for x
    x = 419,189,883,908.75/637,717.01
  6. Step 6: Final answer
    x = 657,329.00

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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.