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Finding the Fourth Proportional to 697,268.40, 974,931.60 and 697,268.40

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Solution

The fourth proportional to 697,268.40, 974,931.60 and 697,268.40 is: 974,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,268.40 : 974,931.60 = 697,268.40 : x
  2. Step 2: Convert to fraction form
    697,268.40/974,931.60 = 697,268.40/x
  3. Step 3: Cross multiply
    697,268.40x = 974,931.60 × 697,268.40
  4. Step 4: Simplify right side
    697,268.40x = 679,788,996,841.44
  5. Step 5: Solve for x
    x = 679,788,996,841.44/697,268.40
  6. Step 6: Final answer
    x = 974,931.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.