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Finding the Fourth Proportional to 335,239.36, 499,700.98 and 308,335.16

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Solution

The fourth proportional to 335,239.36, 499,700.98 and 308,335.16 is: 459,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,239.36 : 499,700.98 = 308,335.16 : x
  2. Step 2: Convert to fraction form
    335,239.36/499,700.98 = 308,335.16/x
  3. Step 3: Cross multiply
    335,239.36x = 499,700.98 × 308,335.16
  4. Step 4: Simplify right side
    335,239.36x = 154,075,381,620.46
  5. Step 5: Solve for x
    x = 154,075,381,620.46/335,239.36
  6. Step 6: Final answer
    x = 459,598.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.