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Finding the Fourth Proportional to 310,026.73, 427,803.76 and 174,075.63

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Solution

The fourth proportional to 310,026.73, 427,803.76 and 174,075.63 is: 240,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,026.73 : 427,803.76 = 174,075.63 : x
  2. Step 2: Convert to fraction form
    310,026.73/427,803.76 = 174,075.63/x
  3. Step 3: Cross multiply
    310,026.73x = 427,803.76 × 174,075.63
  4. Step 4: Simplify right side
    310,026.73x = 74,470,209,038.37
  5. Step 5: Solve for x
    x = 74,470,209,038.37/310,026.73
  6. Step 6: Final answer
    x = 240,205.77

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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.