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Finding the Fourth Proportional to 704,888.75, 972,747.45 and 382,598.91

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Solution

The fourth proportional to 704,888.75, 972,747.45 and 382,598.91 is: 527,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,888.75 : 972,747.45 = 382,598.91 : x
  2. Step 2: Convert to fraction form
    704,888.75/972,747.45 = 382,598.91/x
  3. Step 3: Cross multiply
    704,888.75x = 972,747.45 × 382,598.91
  4. Step 4: Simplify right side
    704,888.75x = 372,172,114,075.28
  5. Step 5: Solve for x
    x = 372,172,114,075.28/704,888.75
  6. Step 6: Final answer
    x = 527,987.03

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Double scale
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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.