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Finding the Fourth Proportional to 507,801.01, 761,547.97 and 152,720.77

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Solution

The fourth proportional to 507,801.01, 761,547.97 and 152,720.77 is: 229,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,801.01 : 761,547.97 = 152,720.77 : x
  2. Step 2: Convert to fraction form
    507,801.01/761,547.97 = 152,720.77/x
  3. Step 3: Cross multiply
    507,801.01x = 761,547.97 × 152,720.77
  4. Step 4: Simplify right side
    507,801.01x = 116,304,192,370.34
  5. Step 5: Solve for x
    x = 116,304,192,370.34/507,801.01
  6. Step 6: Final answer
    x = 229,034.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.