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Finding the Fourth Proportional to 708,348.66, 977,894.92 and 569,017.72

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Solution

The fourth proportional to 708,348.66, 977,894.92 and 569,017.72 is: 785,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,348.66 : 977,894.92 = 569,017.72 : x
  2. Step 2: Convert to fraction form
    708,348.66/977,894.92 = 569,017.72/x
  3. Step 3: Cross multiply
    708,348.66x = 977,894.92 × 569,017.72
  4. Step 4: Simplify right side
    708,348.66x = 556,439,537,777.98
  5. Step 5: Solve for x
    x = 556,439,537,777.98/708,348.66
  6. Step 6: Final answer
    x = 785,544.70

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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.