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Finding the Fourth Proportional to 655,271.46, 904,303.71 and 368,810.10

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Solution

The fourth proportional to 655,271.46, 904,303.71 and 368,810.10 is: 508,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,271.46 : 904,303.71 = 368,810.10 : x
  2. Step 2: Convert to fraction form
    655,271.46/904,303.71 = 368,810.10/x
  3. Step 3: Cross multiply
    655,271.46x = 904,303.71 × 368,810.10
  4. Step 4: Simplify right side
    655,271.46x = 333,516,341,715.47
  5. Step 5: Solve for x
    x = 333,516,341,715.47/655,271.46
  6. Step 6: Final answer
    x = 508,974.31

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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.