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Finding the Fourth Proportional to 473,378.72, 710,074.35 and 157,835.72

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Solution

The fourth proportional to 473,378.72, 710,074.35 and 157,835.72 is: 236,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,378.72 : 710,074.35 = 157,835.72 : x
  2. Step 2: Convert to fraction form
    473,378.72/710,074.35 = 157,835.72/x
  3. Step 3: Cross multiply
    473,378.72x = 710,074.35 × 157,835.72
  4. Step 4: Simplify right side
    473,378.72x = 112,075,098,060.97
  5. Step 5: Solve for x
    x = 112,075,098,060.97/473,378.72
  6. Step 6: Final answer
    x = 236,755.68

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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.