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Finding the Fourth Proportional to 690,056.00, 952,210.50 and 508,865.48

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Solution

The fourth proportional to 690,056.00, 952,210.50 and 508,865.48 is: 702,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,056.00 : 952,210.50 = 508,865.48 : x
  2. Step 2: Convert to fraction form
    690,056.00/952,210.50 = 508,865.48/x
  3. Step 3: Cross multiply
    690,056.00x = 952,210.50 × 508,865.48
  4. Step 4: Simplify right side
    690,056.00x = 484,547,050,045.03
  5. Step 5: Solve for x
    x = 484,547,050,045.03/690,056.00
  6. Step 6: Final answer
    x = 702,185.11

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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.