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Finding the Fourth Proportional to 555,045.76, 832,417.40 and 155,661.76

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Solution

The fourth proportional to 555,045.76, 832,417.40 and 155,661.76 is: 233,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,045.76 : 832,417.40 = 155,661.76 : x
  2. Step 2: Convert to fraction form
    555,045.76/832,417.40 = 155,661.76/x
  3. Step 3: Cross multiply
    555,045.76x = 832,417.40 × 155,661.76
  4. Step 4: Simplify right side
    555,045.76x = 129,575,557,538.62
  5. Step 5: Solve for x
    x = 129,575,557,538.62/555,045.76
  6. Step 6: Final answer
    x = 233,450.22

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1.5x scale

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.