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Finding the Fourth Proportional to 985,602.33, 1,360,129.32 and 555,881.13

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Solution

The fourth proportional to 985,602.33, 1,360,129.32 and 555,881.13 is: 767,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,602.33 : 1,360,129.32 = 555,881.13 : x
  2. Step 2: Convert to fraction form
    985,602.33/1,360,129.32 = 555,881.13/x
  3. Step 3: Cross multiply
    985,602.33x = 1,360,129.32 × 555,881.13
  4. Step 4: Simplify right side
    985,602.33x = 756,070,223,347.73
  5. Step 5: Solve for x
    x = 756,070,223,347.73/985,602.33
  6. Step 6: Final answer
    x = 767,114.89

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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.