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Finding the Fourth Proportional to 572,897.04, 790,603.32 and 314,779.38

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Solution

The fourth proportional to 572,897.04, 790,603.32 and 314,779.38 is: 434,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,897.04 : 790,603.32 = 314,779.38 : x
  2. Step 2: Convert to fraction form
    572,897.04/790,603.32 = 314,779.38/x
  3. Step 3: Cross multiply
    572,897.04x = 790,603.32 × 314,779.38
  4. Step 4: Simplify right side
    572,897.04x = 248,865,622,895.54
  5. Step 5: Solve for x
    x = 248,865,622,895.54/572,897.04
  6. Step 6: Final answer
    x = 434,398.51

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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.