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Finding the Fourth Proportional to 707,485.64, 975,100.02 and 616,273.16

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Solution

The fourth proportional to 707,485.64, 975,100.02 and 616,273.16 is: 849,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,485.64 : 975,100.02 = 616,273.16 : x
  2. Step 2: Convert to fraction form
    707,485.64/975,100.02 = 616,273.16/x
  3. Step 3: Cross multiply
    707,485.64x = 975,100.02 × 616,273.16
  4. Step 4: Simplify right side
    707,485.64x = 600,927,970,641.46
  5. Step 5: Solve for x
    x = 600,927,970,641.46/707,485.64
  6. Step 6: Final answer
    x = 849,385.40

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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.