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Finding the Fourth Proportional to 675,091.53, 930,779.51 and 432,946.89

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Solution

The fourth proportional to 675,091.53, 930,779.51 and 432,946.89 is: 596,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,091.53 : 930,779.51 = 432,946.89 : x
  2. Step 2: Convert to fraction form
    675,091.53/930,779.51 = 432,946.89/x
  3. Step 3: Cross multiply
    675,091.53x = 930,779.51 × 432,946.89
  4. Step 4: Simplify right side
    675,091.53x = 402,978,091,965.49
  5. Step 5: Solve for x
    x = 402,978,091,965.49/675,091.53
  6. Step 6: Final answer
    x = 596,923.64

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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.