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Finding the Fourth Proportional to 615,711.60, 923,567.40 and 166,501.80

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Solution

The fourth proportional to 615,711.60, 923,567.40 and 166,501.80 is: 249,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,711.60 : 923,567.40 = 166,501.80 : x
  2. Step 2: Convert to fraction form
    615,711.60/923,567.40 = 166,501.80/x
  3. Step 3: Cross multiply
    615,711.60x = 923,567.40 × 166,501.80
  4. Step 4: Simplify right side
    615,711.60x = 153,775,634,521.32
  5. Step 5: Solve for x
    x = 153,775,634,521.32/615,711.60
  6. Step 6: Final answer
    x = 249,752.70

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Similar ratio
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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.