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Finding the Fourth Proportional to 304,666.65, 420,444.27 and 175,533.75

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Solution

The fourth proportional to 304,666.65, 420,444.27 and 175,533.75 is: 242,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,666.65 : 420,444.27 = 175,533.75 : x
  2. Step 2: Convert to fraction form
    304,666.65/420,444.27 = 175,533.75/x
  3. Step 3: Cross multiply
    304,666.65x = 420,444.27 × 175,533.75
  4. Step 4: Simplify right side
    304,666.65x = 73,802,159,379.11
  5. Step 5: Solve for x
    x = 73,802,159,379.11/304,666.65
  6. Step 6: Final answer
    x = 242,239.05

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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.