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Finding the Fourth Proportional to 301,657.23, 452,485.44 and 77,017.70

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Solution

The fourth proportional to 301,657.23, 452,485.44 and 77,017.70 is: 115,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,657.23 : 452,485.44 = 77,017.70 : x
  2. Step 2: Convert to fraction form
    301,657.23/452,485.44 = 77,017.70/x
  3. Step 3: Cross multiply
    301,657.23x = 452,485.44 × 77,017.70
  4. Step 4: Simplify right side
    301,657.23x = 34,849,387,872.29
  5. Step 5: Solve for x
    x = 34,849,387,872.29/301,657.23
  6. Step 6: Final answer
    x = 115,526.45

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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.