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Finding the Fourth Proportional to 704,715.01, 972,509.27 and 382,425.03

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Solution

The fourth proportional to 704,715.01, 972,509.27 and 382,425.03 is: 527,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,715.01 : 972,509.27 = 382,425.03 : x
  2. Step 2: Convert to fraction form
    704,715.01/972,509.27 = 382,425.03/x
  3. Step 3: Cross multiply
    704,715.01x = 972,509.27 × 382,425.03
  4. Step 4: Simplify right side
    704,715.01x = 371,911,884,842.90
  5. Step 5: Solve for x
    x = 371,911,884,842.90/704,715.01
  6. Step 6: Final answer
    x = 527,747.93

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1.5x scale

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.