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Finding the Fourth Proportional to 448,014.30, 618,259.74 and 246,810.30

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Solution

The fourth proportional to 448,014.30, 618,259.74 and 246,810.30 is: 340,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,014.30 : 618,259.74 = 246,810.30 : x
  2. Step 2: Convert to fraction form
    448,014.30/618,259.74 = 246,810.30/x
  3. Step 3: Cross multiply
    448,014.30x = 618,259.74 × 246,810.30
  4. Step 4: Simplify right side
    448,014.30x = 152,592,871,907.32
  5. Step 5: Solve for x
    x = 152,592,871,907.32/448,014.30
  6. Step 6: Final answer
    x = 340,598.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.