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Finding the Fourth Proportional to 615,036.80, 922,555.20 and 363,094.40

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Solution

The fourth proportional to 615,036.80, 922,555.20 and 363,094.40 is: 544,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,036.80 : 922,555.20 = 363,094.40 : x
  2. Step 2: Convert to fraction form
    615,036.80/922,555.20 = 363,094.40/x
  3. Step 3: Cross multiply
    615,036.80x = 922,555.20 × 363,094.40
  4. Step 4: Simplify right side
    615,036.80x = 334,974,626,810.88
  5. Step 5: Solve for x
    x = 334,974,626,810.88/615,036.80
  6. Step 6: Final answer
    x = 544,641.60

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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.