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Finding the Fourth Proportional to 370,655.65, 511,506.34 and 234,547.70

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Solution

The fourth proportional to 370,655.65, 511,506.34 and 234,547.70 is: 323,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,655.65 : 511,506.34 = 234,547.70 : x
  2. Step 2: Convert to fraction form
    370,655.65/511,506.34 = 234,547.70/x
  3. Step 3: Cross multiply
    370,655.65x = 511,506.34 × 234,547.70
  4. Step 4: Simplify right side
    370,655.65x = 119,972,636,635.07
  5. Step 5: Solve for x
    x = 119,972,636,635.07/370,655.65
  6. Step 6: Final answer
    x = 323,676.81

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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.