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Finding the Fourth Proportional to 473,372.20, 710,061.90 and 157,828.60

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Solution

The fourth proportional to 473,372.20, 710,061.90 and 157,828.60 is: 236,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,372.20 : 710,061.90 = 157,828.60 : x
  2. Step 2: Convert to fraction form
    473,372.20/710,061.90 = 157,828.60/x
  3. Step 3: Cross multiply
    473,372.20x = 710,061.90 × 157,828.60
  4. Step 4: Simplify right side
    473,372.20x = 112,068,075,590.34
  5. Step 5: Solve for x
    x = 112,068,075,590.34/473,372.20
  6. Step 6: Final answer
    x = 236,744.10

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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.