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Finding the Fourth Proportional to 800,656.08, 1,105,640.04 and 514,674.24

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Solution

The fourth proportional to 800,656.08, 1,105,640.04 and 514,674.24 is: 710,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,656.08 : 1,105,640.04 = 514,674.24 : x
  2. Step 2: Convert to fraction form
    800,656.08/1,105,640.04 = 514,674.24/x
  3. Step 3: Cross multiply
    800,656.08x = 1,105,640.04 × 514,674.24
  4. Step 4: Simplify right side
    800,656.08x = 569,044,447,300.57
  5. Step 5: Solve for x
    x = 569,044,447,300.57/800,656.08
  6. Step 6: Final answer
    x = 710,722.70

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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.