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Finding the Fourth Proportional to 559,901.70, 772,675.98 and 314,891.16

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Solution

The fourth proportional to 559,901.70, 772,675.98 and 314,891.16 is: 434,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,901.70 : 772,675.98 = 314,891.16 : x
  2. Step 2: Convert to fraction form
    559,901.70/772,675.98 = 314,891.16/x
  3. Step 3: Cross multiply
    559,901.70x = 772,675.98 × 314,891.16
  4. Step 4: Simplify right side
    559,901.70x = 243,308,835,646.34
  5. Step 5: Solve for x
    x = 243,308,835,646.34/559,901.70
  6. Step 6: Final answer
    x = 434,556.34

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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.