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Finding the Fourth Proportional to 301,665.60, 452,210.40 and 112,075.20

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Solution

The fourth proportional to 301,665.60, 452,210.40 and 112,075.20 is: 168,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,665.60 : 452,210.40 = 112,075.20 : x
  2. Step 2: Convert to fraction form
    301,665.60/452,210.40 = 112,075.20/x
  3. Step 3: Cross multiply
    301,665.60x = 452,210.40 × 112,075.20
  4. Step 4: Simplify right side
    301,665.60x = 50,681,571,022.08
  5. Step 5: Solve for x
    x = 50,681,571,022.08/301,665.60
  6. Step 6: Final answer
    x = 168,005.80

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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.