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Finding the Fourth Proportional to 692,424.35, 955,705.04 and 406,036.70

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Solution

The fourth proportional to 692,424.35, 955,705.04 and 406,036.70 is: 560,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,424.35 : 955,705.04 = 406,036.70 : x
  2. Step 2: Convert to fraction form
    692,424.35/955,705.04 = 406,036.70/x
  3. Step 3: Cross multiply
    692,424.35x = 955,705.04 × 406,036.70
  4. Step 4: Simplify right side
    692,424.35x = 388,051,326,572.59
  5. Step 5: Solve for x
    x = 388,051,326,572.59/692,424.35
  6. Step 6: Final answer
    x = 560,424.14

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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.