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Finding the Fourth Proportional to 692,916.94, 956,885.79 and 655,178.86

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Solution

The fourth proportional to 692,916.94, 956,885.79 and 655,178.86 is: 904,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,916.94 : 956,885.79 = 655,178.86 : x
  2. Step 2: Convert to fraction form
    692,916.94/956,885.79 = 655,178.86/x
  3. Step 3: Cross multiply
    692,916.94x = 956,885.79 × 655,178.86
  4. Step 4: Simplify right side
    692,916.94x = 626,931,341,042.40
  5. Step 5: Solve for x
    x = 626,931,341,042.40/692,916.94
  6. Step 6: Final answer
    x = 904,771.27

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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.