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Finding the Fourth Proportional to 371,124.30, 556,686.45 and 371,124.30

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Solution

The fourth proportional to 371,124.30, 556,686.45 and 371,124.30 is: 556,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,124.30 : 556,686.45 = 371,124.30 : x
  2. Step 2: Convert to fraction form
    371,124.30/556,686.45 = 371,124.30/x
  3. Step 3: Cross multiply
    371,124.30x = 556,686.45 × 371,124.30
  4. Step 4: Simplify right side
    371,124.30x = 206,599,869,075.74
  5. Step 5: Solve for x
    x = 206,599,869,075.74/371,124.30
  6. Step 6: Final answer
    x = 556,686.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.