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Finding the Fourth Proportional to 436,841.02, 602,860.01 and 245,866.78

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Solution

The fourth proportional to 436,841.02, 602,860.01 and 245,866.78 is: 339,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,841.02 : 602,860.01 = 245,866.78 : x
  2. Step 2: Convert to fraction form
    436,841.02/602,860.01 = 245,866.78/x
  3. Step 3: Cross multiply
    436,841.02x = 602,860.01 × 245,866.78
  4. Step 4: Simplify right side
    436,841.02x = 148,223,249,449.47
  5. Step 5: Solve for x
    x = 148,223,249,449.47/436,841.02
  6. Step 6: Final answer
    x = 339,307.08

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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.