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Finding the Fourth Proportional to 545,903.43, 753,336.64 and 297,547.52

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Solution

The fourth proportional to 545,903.43, 753,336.64 and 297,547.52 is: 410,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,903.43 : 753,336.64 = 297,547.52 : x
  2. Step 2: Convert to fraction form
    545,903.43/753,336.64 = 297,547.52/x
  3. Step 3: Cross multiply
    545,903.43x = 753,336.64 × 297,547.52
  4. Step 4: Simplify right side
    545,903.43x = 224,153,448,957.13
  5. Step 5: Solve for x
    x = 224,153,448,957.13/545,903.43
  6. Step 6: Final answer
    x = 410,610.08

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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.