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Finding the Fourth Proportional to 708,349.91, 977,896.64 and 569,018.97

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Solution

The fourth proportional to 708,349.91, 977,896.64 and 569,018.97 is: 785,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,349.91 : 977,896.64 = 569,018.97 : x
  2. Step 2: Convert to fraction form
    708,349.91/977,896.64 = 569,018.97/x
  3. Step 3: Cross multiply
    708,349.91x = 977,896.64 × 569,018.97
  4. Step 4: Simplify right side
    708,349.91x = 556,441,740,281.81
  5. Step 5: Solve for x
    x = 556,441,740,281.81/708,349.91
  6. Step 6: Final answer
    x = 785,546.43

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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.