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Finding the Fourth Proportional to 708,347.66, 977,893.54 and 569,016.72

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Solution

The fourth proportional to 708,347.66, 977,893.54 and 569,016.72 is: 785,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,347.66 : 977,893.54 = 569,016.72 : x
  2. Step 2: Convert to fraction form
    708,347.66/977,893.54 = 569,016.72/x
  3. Step 3: Cross multiply
    708,347.66x = 977,893.54 × 569,016.72
  4. Step 4: Simplify right side
    708,347.66x = 556,437,773,217.45
  5. Step 5: Solve for x
    x = 556,437,773,217.45/708,347.66
  6. Step 6: Final answer
    x = 785,543.33

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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.