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Finding the Fourth Proportional to 693,595.94, 956,779.17 and 564,673.10

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Solution

The fourth proportional to 693,595.94, 956,779.17 and 564,673.10 is: 778,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,595.94 : 956,779.17 = 564,673.10 : x
  2. Step 2: Convert to fraction form
    693,595.94/956,779.17 = 564,673.10/x
  3. Step 3: Cross multiply
    693,595.94x = 956,779.17 × 564,673.10
  4. Step 4: Simplify right side
    693,595.94x = 540,267,459,939.33
  5. Step 5: Solve for x
    x = 540,267,459,939.33/693,595.94
  6. Step 6: Final answer
    x = 778,936.88

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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.