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Finding the Fourth Proportional to 707,486.64, 975,101.40 and 616,274.16

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Solution

The fourth proportional to 707,486.64, 975,101.40 and 616,274.16 is: 849,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,486.64 : 975,101.40 = 616,274.16 : x
  2. Step 2: Convert to fraction form
    707,486.64/975,101.40 = 616,274.16/x
  3. Step 3: Cross multiply
    707,486.64x = 975,101.40 × 616,274.16
  4. Step 4: Simplify right side
    707,486.64x = 600,929,796,199.82
  5. Step 5: Solve for x
    x = 600,929,796,199.82/707,486.64
  6. Step 6: Final answer
    x = 849,386.78

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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.