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Finding the Fourth Proportional to 473,485.80, 710,666.10 and 236,998.20

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Solution

The fourth proportional to 473,485.80, 710,666.10 and 236,998.20 is: 355,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,485.80 : 710,666.10 = 236,998.20 : x
  2. Step 2: Convert to fraction form
    473,485.80/710,666.10 = 236,998.20/x
  3. Step 3: Cross multiply
    473,485.80x = 710,666.10 × 236,998.20
  4. Step 4: Simplify right side
    473,485.80x = 168,426,586,501.02
  5. Step 5: Solve for x
    x = 168,426,586,501.02/473,485.80
  6. Step 6: Final answer
    x = 355,716.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.