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Finding the Fourth Proportional to 936,498.98, 1,292,372 and 506,779.06

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Solution

The fourth proportional to 936,498.98, 1,292,372 and 506,779.06 is: 699,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,498.98 : 1,292,372 = 506,779.06 : x
  2. Step 2: Convert to fraction form
    936,498.98/1,292,372 = 506,779.06/x
  3. Step 3: Cross multiply
    936,498.98x = 1,292,372 × 506,779.06
  4. Step 4: Simplify right side
    936,498.98x = 654,947,067,330.32
  5. Step 5: Solve for x
    x = 654,947,067,330.32/936,498.98
  6. Step 6: Final answer
    x = 699,356.95

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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.