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Finding the Fourth Proportional to 547,295.94, 754,852.64 and 470,942.91

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Solution

The fourth proportional to 547,295.94, 754,852.64 and 470,942.91 is: 649,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,295.94 : 754,852.64 = 470,942.91 : x
  2. Step 2: Convert to fraction form
    547,295.94/754,852.64 = 470,942.91/x
  3. Step 3: Cross multiply
    547,295.94x = 754,852.64 × 470,942.91
  4. Step 4: Simplify right side
    547,295.94x = 355,492,496,548.07
  5. Step 5: Solve for x
    x = 355,492,496,548.07/547,295.94
  6. Step 6: Final answer
    x = 649,543.46

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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.